What is a similar structure that indicates species have a common ancestor?

What is a similar structure that indicates species have a common ancestor?
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According to the biological species concept, horses and donkeys are not considered in the same species because A) they never mate. B) they do not produce fertile offspring. C) they look different. D) they do not share a relatively recent common ancestor.

Description : According to the biological species concept, horses and donkeys are not considered in the same species because A) they never mate. B) they do not produce fertile offspring. C) they look different. D) they do not share a relatively recent common ancestor.

Last Answer : B) they do not produce fertile offspring.

What are homologous structures? Give an example. Is it necessary that homologous structures always have a common ancestor? -Biology

Description : What are homologous structures? Give an example. Is it necessary that homologous structures always have a common ancestor? -Biology

Last Answer : Yes, It is necessary that homologous structures always have a common ancestor. As explained in the above example, the basic structure of arm of human and wing of bat is similar but ... different function in different vertebrates. Therefore, this shows that they have evolved from a common ancestor.

What are two examples of types of body structures that provide evidence of a common ancestor among diverse organism's?

Description : What are two examples of types of body structures that provide evidence of a common ancestor among diverse organism's?

Last Answer : What is the answer ?

How does this different show that whales and animals with four legs are probably descended from a common ancestor?

Description : How does this different show that whales and animals with four legs are probably descended from a common ancestor?

Last Answer : Need answer

A group of families having a common ancestor, speaking the same language, and sharing customs is _______.?

Description : A group of families having a common ancestor, speaking the same language, and sharing customs is _______.?

Last Answer : a tribe

Has anybody utilized genetic (DNA) databases in a genealogical search to find an ancestor successfully?

Description : Has anybody utilized genetic (DNA) databases in a genealogical search to find an ancestor successfully?

Last Answer : Yes soon after my Mother died in 2010 my sister asked my Eldest brother to do it. From ancestry.com we we received so much paper work dating back from like the stone age telling us our ancestors came ... masons . Than we received no more total cost $500 dollars for the kit. Yes we felt ripped off.

What do you know about your oldest known female ancestor?

Description : What do you know about your oldest known female ancestor?

Last Answer : Eve was a snake loving slut

What do you know about your oldest known female ancestor?

Description : What do you know about your oldest known female ancestor?

Last Answer : Eve was a snake loving slut

What do you know about your oldest known female ancestor?

Description : What do you know about your oldest known female ancestor?

Last Answer : Eve was a snake loving slut

Which is most primitive ancestor of man ? -General Knowledge

Description : Which is most primitive ancestor of man ? -General Knowledge

Last Answer : The answer is 'Australopithecus'

Which is most primitive ancestor of man ? -General Knowledge

Description : Which is most primitive ancestor of man ? -General Knowledge

Last Answer : answer:

What is the name of the village of the ancestor of mother Anandamayi ?

Description : What is the name of the village of the ancestor of mother Anandamayi ?

Last Answer : Mother Anandamayi's ancestral village name is Vidyakut.

Which one of the following is reptilian ancestor of birds ?

Description : Which one of the following is reptilian ancestor of birds ?

Last Answer : Which one of the following is reptilian ancestor of birds ? A. Hesperornis B. Ichthyorins C. Archaeopteryx D. Lycaenops

The extinct human ancestor, who ate only fruits and hunted with stone weapons was

Description : The extinct human ancestor, who ate only fruits and hunted with stone weapons was

Last Answer : The extinct human ancestor, who ate only fruits and hunted with stone weapons was A. Dryopithecus B. Australopithecus C. Homo Erectus D. Ramapithecus

Closec ancestor to modern man was :

Description : Closec ancestor to modern man was :

Last Answer : Closec ancestor to modern man was : A. Neanerthal man B. Homo habilis C. Cro-magnon man D. Australopithecus

Which of the following ancestor man was fond of painting and weapons making

Description : Which of the following ancestor man was fond of painting and weapons making

Last Answer : Which of the following ancestor man was fond of painting and weapons making A. Neaderthal man B. Cromagnon man C. Java man D. Peking man

Which one of the following is the most primitive ancestor of man?

Description : Which one of the following is the most primitive ancestor of man?

Last Answer : Which one of the following is the most primitive ancestor of man? A. Homo habilis B. Ramapithecus C. Australopithecus D. Homo neanderthalensis

The probable direct ancestor of moder man is :

Description : The probable direct ancestor of moder man is :

Last Answer : The probable direct ancestor of moder man is : A. Java man B. Peking man C. Cromagnon man D. Neanderthal man

What is the group of people who have descended from the same ancestor?

Description : What is the group of people who have descended from the same ancestor?

Last Answer : Need answer

Which is most primitive ancestor of man

Description : Which is most primitive ancestor of man

Last Answer : Australopithecus

Which of the following is the direct ancestor of Homo sapiens? (a) Australopithecus (b) H. sapiens neanderthals (c) Homo erectus (d) Homo sapiens fossilis

Description : Which of the following is the direct ancestor of Homo sapiens? (a) Australopithecus (b) H. sapiens neanderthals (c) Homo erectus (d) Homo sapiens fossilis

Last Answer : (d) Homo sapiens fossilis

Which one of the following statements is correct? (a) Australopithecus is the real ancestor of modern man. (b) Neanderthal man is the direct ancestor of Homo sapiens. (c) Homo erectus is the ancestor of man. (d) Cro-magnon man’s fossil has been found in Ethiopia.

Description : Which one of the following statements is correct? (a) Australopithecus is the real ancestor of modern man. (b) Neanderthal man is the direct ancestor of Homo sapiens. (c) Homo erectus is the ancestor of man. (d) Cro-magnon man’s fossil has been found in Ethiopia.

Last Answer : (d) Cro-magnon man’s fossil has been found in Ethiopia.

Which cell type is considered to have the oldest ancestor? A- Archaea B- Bacteria C- Eukarya D-they all share the same ancestor

Description : Which cell type is considered to have the oldest ancestor? A- Archaea B- Bacteria C- Eukarya D-they all share the same ancestor

Last Answer : they all share the same ancestor

Which cell type is considered to have the oldest ancestor? A- Archaea B- Bacteria C- Eukarya D- they all share the same ancestor

Description : Which cell type is considered to have the oldest ancestor? A- Archaea B- Bacteria C- Eukarya D- they all share the same ancestor

Last Answer : they all share the same ancestor

Any node is the path from the root to the node is called A) Successor node B) Ancestor node C) Internal node D) None of the above

Description : Any node is the path from the root to the node is called A) Successor node B) Ancestor node C) Internal node D) None of the above

Last Answer : B) Ancestor node

Cordaites (pron: kor-day-i-tees) were the ancestor of one of the following. Were they primitive: w) amphibians x) cone-bearing trees y) snakes z) sharks

Description : Cordaites (pron: kor-day-i-tees) were the ancestor of one of the following. Were they primitive: w) amphibians x) cone-bearing trees y) snakes z) sharks

Last Answer : ANSWER: X -- CONE-BEARING TREES 

Niche overlap indicates (a) mutualism between two species (b) active cooperation between two species (c) two different parasites on the same host (d) sharing of one or more resources between the two species.

Description : Niche overlap indicates (a) mutualism between two species (b) active cooperation between two species (c) two different parasites on the same host (d) sharing of one or more resources between the two species.

Last Answer : (d) sharing of one or more resources between the two species.

In testing for mobility, which of the following statement is true: a.Heavy pressure must sometimes be used to test mobility. b.Only lateral mobility is significant in diagnosis and treatment of chronic inflammatory periodontal disease. c.Hyper mobility indicates that the tooth supporting structure have been weakened. d.During the periodontal examination each tooth should be tested individually for hyper mobility.

Description : In testing for mobility, which of the following statement is true: a.Heavy pressure must sometimes be used to test mobility. b.Only lateral mobility is significant in diagnosis and ... weakened. d.During the periodontal examination each tooth should be tested individually for hyper mobility.

Last Answer : d.During the periodontal examination each tooth should be tested individually for hyper mobility.

When the results of a Pap smear are reported as class 5, the nurse recognizes that the common interpretation is a) malignant. A class 5 Pap smear, according to the Bethesda Classification, indicates squamous cell carcinoma. b) normal. A class 1 Pap smear is interpreted as normal. c) probably normal. A class 2 Pap smear is interpreted as probably normal. d) suspicious. A class 3 Pap smear is interpreted as suspicious.

Description : When the results of a Pap smear are reported as class 5, the nurse recognizes that the common interpretation is a) malignant. A class 5 Pap smear, according to the Bethesda Classification, ... is interpreted as probably normal. d) suspicious. A class 3 Pap smear is interpreted as suspicious.

Last Answer : a) malignant. A class 5 Pap smear, according to the Bethesda Classification, indicates squamous cell carcinoma.

Are giraffes similar to dinosaurs? Or are they unique to their species?

Description : Are giraffes similar to dinosaurs? Or are they unique to their species?

Last Answer : Giraffes are mammals, so they’re not similar to dinosaurs. The fight scenes are pretty gruesome though. Here’s a link: http://animals.nationalgeographic.com/animals/mammals/giraffe/

What is an example of a reproductive barrier that may separate two similar species?

Description : What is an example of a reproductive barrier that may separate two similar species?

Last Answer : a landslide blocking the valley that the groups used to cross to get to each othera change in number of chromosomes in one group (e.g. human chromosome #1 being the end to end ... 23) making successful intergroup breeding difficult to impossible even though the two groups may still live together

How did Darwin explain existence of similar but unrelated species?

Description : How did Darwin explain existence of similar but unrelated species?

Last Answer : Through convergent evolution, in which similar function producessimilar form.

How are the competition between two tree of the same species and the competition between two different species of tree similar?

Description : How are the competition between two tree of the same species and the competition between two different species of tree similar?

Last Answer : They use sunlight,water,food and shelter

Maize species produce starch similar to tapioca

Description : Maize species produce starch similar to tapioca

Last Answer : Ans.Zea mays ceretina (Waxy corn)

Two plants can be conclusively said to belong to the same species if they (a) have more than 90 percent similar genes (b) look similar and possess identical secondary metabolites (c) have same number of chromosomes (d) can reproduce freely with each other and form seeds.

Description : Two plants can be conclusively said to belong to the same species if they (a) have more than 90 percent similar genes (b) look similar and possess identical secondary metabolites (c) have same number of chromosomes (d) can reproduce freely with each other and form seeds.

Last Answer : (d) can reproduce freely with each other and form seeds

A group of plants or animals with similar traits of any rank is (a) species (b) genus (c) order (d) taxon.

Description : A group of plants or animals with similar traits of any rank is (a) species (b) genus (c) order (d) taxon.

Last Answer : (b) genus

For successful grafting, stock and scion shall be a) Of different species b) Of same species c) Of similar groups d) Of different classA

Description : For successful grafting, stock and scion shall be a) Of different species b) Of same species c) Of similar groups d) Of different classA

Last Answer : b) Of same species

Roses can grow successfully if stock and scion are a) Of related species b)Of different species c) Of different groups d) Of similar class

Description : Roses can grow successfully if stock and scion are a) Of related species b)Of different species c) Of different groups d) Of similar class

Last Answer : a) Of related species

The bones of forelimbs of whale, bat, cheetah and man are similar in structure, because.

Description : The bones of forelimbs of whale, bat, cheetah and man are similar in structure, because.

Last Answer : The bones of forelimbs of whale, bat, cheetah and man are similar in structure, because. ... the same function D. They have biochemical similarities

The eye of octopus and eye of cat show different patterns of structure, yet they perform similar function. This is an example of

Description : The eye of octopus and eye of cat show different patterns of structure, yet they perform similar function. This is an example of

Last Answer : The eye of octopus and eye of cat show different patterns of structure, yet they perform ... organs that have evolved due to convergent evolution

The antibiotic which has a structure similar to the amino acyl end of tRNA tyrosine is (A) Actinomycin d (B) Streptomycin (C) Puromycin (D) Mitomycin c

Description : The antibiotic which has a structure similar to the amino acyl end of tRNA tyrosine is (A) Actinomycin d (B) Streptomycin (C) Puromycin (D) Mitomycin c

Last Answer : Answer : C

Isoenzymes can be characterized by (A) Proteins lacking enzymatic activity that are necessary for the activation of enzymes (B) Proteolytic enzymes activated by hydrolysis (C) Enzymes with identical primary structure (D) Similar enzymes that catalyse different reaction

Description : Isoenzymes can be characterized by (A) Proteins lacking enzymatic activity that are necessary for the activation of enzymes (B) Proteolytic enzymes activated by hydrolysis (C) Enzymes with identical primary structure (D) Similar enzymes that catalyse different reaction

Last Answer : Answer : B

Antibacterial agents can be classified with regard to their structure, mechanism of action, and activity pattern against various types of bacterial pathogens. Which of the following statement(s) is/are true concerning antimicrobial classes? a. Penicillins and cephalosporins share the compound structure of a b-lactam ring which binds to bacterial division plate proteins b. Tetracyclines and macrolides such as erythromycin inhibit bacterial ribosomal activity and therefore protein synthesis c. Aminoglycosides act in a similar fashion to tetracyclines and therefore are both bacteriostatic d. Sulfonamides and trimethoprim act synergistically to inhibit purine synthesis

Description : Antibacterial agents can be classified with regard to their structure, mechanism of action, and activity pattern against various types of bacterial pathogens. Which of the following ... are both bacteriostatic d. Sulfonamides and trimethoprim act synergistically to inhibit purine synthesis

Last Answer : Answer: a, b, d Penicillins, cephalosporins, and monobactams possess a b-lactam ring of some type and act to bind bacterial division plate proteins, thus inhibiting cell wall ... act in different mechanisms to inhibit protein synthesis, therefore two agents in combination act synergistically

Briefly describe how a class is similar to a structure. How are they different?

Description : Briefly describe how a class is similar to a structure. How are they different?

Last Answer : Both classes and structures can have members such as methods, properties, and fields, both use a constructor for initialization, and both inherit from System.Object. Both classes and structures can be ... are value types, and the memory that holds structure instances is allocated on the stack. 

Which of the following statements is most correct? A. For small companies, long-term debt is the principal source of external financing. B. Current assets of the typical manufacturing firm account for over half of its total assets. C. Strict adherence to the maturity matching approach to financing wD. Similar to the capital structure management, working capital management requires the financial manager to make a decision and not address the issue again for several months.ould call for all current assets to be financed solely with current liabilities.

Description : Which of the following statements is most correct? A. For small companies, long-term debt is the principal source of external financing. B. Current assets of the typical manufacturing firm account ... the financial manager to make a decision and not address the issue again for several months.

Last Answer : B. Current assets of the typical manufacturing firm account for over half of its total assets.

The eye of octopus and eye of cat show different patterns of structure, yet they perform similar function. This is an example of (a) analogous organs that have evolved due to convergent evolution (b) analogous organs that have evolved due to divergent evolution (c) homologous organs that have evolved due to convergent evolution (d) homologous organs that have evolved due to divergent evolution.

Description : The eye of octopus and eye of cat show different patterns of structure, yet they perform similar function. This is an example of (a) analogous organs that have evolved due to convergent ... evolved due to convergent evolution (d) homologous organs that have evolved due to divergent evolution.

Last Answer : (a) analogous organs that have evolved due to convergent evolution

.All plastids have similar structure because they can (a) store starch, lipids and proteins (b) get transformed from one type to another (c) perform same function (d) be present together.

Description : .All plastids have similar structure because they can (a) store starch, lipids and proteins (b) get transformed from one type to another (c) perform same function (d) be present together.

Last Answer : (b) get transformed from one type to another

Select the wrong statement. (a) In oomycetes, female gamete is smaller and motile, while male gamete is larger and non- motile. (b) Chlamydomonas exhibits both isogamy and anisogamy and Fucus shows oogamy. (c) Isogametes are similar in structure, function and behaviour. (d) Anisogametes differ either in structure, function or behaviour.

Description : Select the wrong statement. (a) In oomycetes, female gamete is smaller and motile, while male gamete is larger and non- motile. (b) Chlamydomonas exhibits both isogamy and anisogamy and ... in structure, function and behaviour. (d) Anisogametes differ either in structure, function or behaviour.

Last Answer : (a) In oomycetes, female gamete is smaller and motile, while male gamete is larger and non- motile.