1st life on earth was
(a) cyanobacteria (b) chemoheterotrophs
(c) autotrophs (d) photoautotrophs.
(

1 Answer

Answer :

(b) chemoheterotrophs

Related questions

Description : Microorganisms that use organic compounds as energy and carbon sources are a. Chemoheterotrophs. b. Chemoautotrophs. c. Photoautotrophs. d. Photoheterotrophs.

Last Answer : c. Photoautotrophs.

Description : The first organisms were (a) chemoautotrophs (b) chemoheterotrophs (c) autotrophs (d) eukaryotes

Last Answer : (c) autotrophs

Description : The first organisms were (a) chemoautotrophs (b) chemoheterotrophs (c) autotrophs (d) eukaryotes

Last Answer : chemoheterotrophs

Description : The most abundant prokaryotes helpful to humans in making curd from milk and in production of antibiotics are the ones categorisedas (a) cyanobacteria (b) archaebacteria (c) chemosynthetic autotrophs (d) heterotrophic bacteria.

Last Answer : (d) heterotrophic bacteria

Description : The most abundant prokaryotes helpful to humans in marking curd from milk and in production of antibiotics are the ones categorised as (1) Heterotrophic bacteria (2) Cyanobacteria (3) Archaebacteria (4) Chemosynthetic autotrophs

Last Answer : (1) Heterotrophic bacteria

Description : The first organisms to appear on Earth were chemoheterotrophs or chemoautotrophs ? -Biology

Last Answer : answer:

Description : Organisms that generate energy using light are known as - (1) Chaemolithotrophs (2) Oligotrophs (3) Bacteria (4) Photoautotrophs

Last Answer : (4) Photoautotrophs

Description : Organisms which obtain energy by the oxidation of reduced inorganic compounds are called (a) photoautotrophs (b) chemoautotrophs (c) saprozoic (d) coproheterotrophs.

Last Answer : (b) chemoautotrophs

Description : Organisms which obtain energy by the oxidation of reduced inorganic compounds are called (a) photoautotrophs (b) chemoautotrophs (c) saprozoic (d) coproheterotrophs.

Last Answer : (b) chemoautotrophs

Description : The first photosynthetic oxygen liberating organisms to appear on earth were (1) Cyanobacteria (2) Bryophytes (3) Green algae (4) Bacteria

Last Answer : (1) Cyanobacteria Explanation: Cyanobacteria or blue green algae were the photosynthetic organisms that lived in the ancient ocean. It liberated the oxygen found in the iron oxide.

Description : Name two inorganic substances which are used by autotrophs to make food. -Science

Last Answer : Carbon dioxide and Water.

Description : Why are green plants called autotrophs? -Science-7

Last Answer : The mode of nutrition in which organisms synthesizes their own food using inorganic materials is called autotrophic nutrition. Green plants use these inorganic materials to make their own food. Therefore they are called autotrophs.

Description : Why are methanogens autotrophs? -Biology

Last Answer : answer:

Description : If the pioneer stage is dominated by autotrophs, then the succession is called.

Last Answer : If the pioneer stage is dominated by autotrophs, then the succession is called. A. Allogenic B. Autogenic C. Autotrophic D. Heterotrophic

Description : Do plants and other autotrophs such as Euglena and seaweed do respiration too?

Last Answer : All plants must have a way of getting energy. Most plants evenunderwater plants such as seaweed use photosynthesis and cellularrespiration to get energy.

Description : Is a fern a danclelion or autotrophs?

Last Answer : Need answer

Description : Is a green housefly a organisms or autotrophs?

Last Answer : Need answer

Description : Can Autotrophs can perform photosynthesis because they have what?

Last Answer : A nucleus

Description : Members of this kingdom are multicellular, eukaryotic autotrophs that also carry out the process of photosynthesis.?

Last Answer : Plantae

Description : If the source of energy for bacteria is from chemical compounds they are said to be a. Phototrophs b. Autotrophs c. Chemotrophs d. Chemolithotroph

Last Answer : Ans: C

Description : Organisms using simple food material acquired from inorganic sources in the form of carbon dioxide and water are called – (1) Autotrophs (2) Heterotrophs (3) Organotroph (4) Both (1) and (3)

Last Answer : a) Autotrophs Explanation: Autotroph means self-feeding in Greek or producer and is an organism that produces complex organic compounds such as carbohydrates, fats, and proteins from simple substances using energy from light.

Description : Plants belong to the following category of trophic levels C A. Consumers B. Heterotrophs C. Autotrophs D. Primary consumers

Last Answer : Autotrophs

Description : Plants belong to the following category of trophic levels C A. Consumers B. Heterotrophs C. Autotrophs D. Primary consumers

Last Answer : Autotrophs

Description : Chlorophyll a occurs in (a) all photosynthetic autotrophs (b) in all higher plants (c) all oxygen liberating autotrophs (d) all plants except fungi

Last Answer : (c) all oxygen liberating autotrophs

Description : .How many organisms in the list given below are autotrophs? Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces, Trypanosoma, Porphyra, Wolffia (a) Four (b) Five (c) Six (d) Three

Last Answer : (c) Six

Description : All bacteria that inhabit the human body are A- heterotrophs B- chemolithotrophs C- autotrophs D- phototroph

Last Answer : heterotrophs

Description : E. coli is belongs to - - - - - - - class A Chemotrophs B Autotrophs C Chemolithotrophs D Saprophytes

Last Answer : A Chemotrophs

Description : Autecology deals with: a. Study of individual organism b. Study of group of organisms c. Study of autotrophs d. Study of heterotrophs

Last Answer : a. Study of individual organism

Description : The living organism which make their own food through photosynthesis are known as ________. a) autotrophs b)hetrotrophs c)decomposers d)saprophytes

Last Answer : a) autotrophs

Description : Why cyanobacteria are called blue green algae? -Biology

Last Answer : answer:

Description : Importance of cyanobacteria in agriculture fields for crop improvement. -Biology

Last Answer : answer:

Description : Are cyanobacteria heterotrophic? -Biology

Last Answer : answer:

Description : Importance of heterocyst in cyanobacteria? -Biology

Last Answer : answer:

Description : Importance of heterocyst in cyanobacteria? -Biology

Last Answer : answer:

Description : Which among the following is not included under cyanobacteria -Science

Last Answer : answer:

Description : Is cyanobacteria a producer scavenger or decomposer?

Last Answer : Cyanobacteria is a producer. It is not considered a decomposer nor a consumer. Cyanobacteria is a form of algae. It is more commonly known as blue/blue-green algae. It produces it's own food.

Description : How to get rid of cyanobacteria from my fish tank?

Last Answer : You can remove the cynobacteria themselves from the tank. One may do this by scraping, the glass, scrubbing the rocks and the plants and vacuuming the subtrate. Turn off the lights for some time ... of water. In this way you can reduce the nutrients which cause the cynobacteria. Good luck.

Description : Pigment-containing membranous extensions in some cyanobacteria are

Last Answer : Pigment-containing membranous extensions in some cyanobacteria are A. Heterocysts B. Basal bodies C. Pneumatophores D. Chromatopores

Description : $ The first photosynthetic organisms which show oxygenic photosynthesis were cyanobacteria. ! Photosynthesis by Eubacteria is Anoxygenic.

Last Answer : $ The first photosynthetic organisms which show oxygenic photosynthesis were cyanobacteria. ! Photosynthesis by ... If both As and R are wrong.

Description : $ The oldest microfossils of organisms resemble the modern day cyanobacteria. ! Cyanobacteria have oxygenic photosynthesis.

Last Answer : $ The oldest microfossils of organisms resemble the modern day cyanobacteria. ! Cyanobacteria have oxygenic ... . If both As and R are wrong.

Description : What is the gel-like substance covering some cyanobacteria?

Last Answer : Need answer

Description : What pigment does cyanobacteria contain?

Last Answer : the answer is blue green

Description : How did cyanobacteria change earths air?

Last Answer : What is the answer ?

Description : What are 2 effects of pigments found in cyanobacteria?

Last Answer : What is the answer ?

Description : What pigment does cyanobacteria contain?

Last Answer : the answer is blue green

Description : Cyclic phosphorylation is generally present in a. Cyanobacteria b. Algae c. Bacteria d. Plants

Last Answer : Ans: A

Description : Blue-green algae are included in the group – (1) Eubacteria (2) Cyanobacteria (3) Protozoa. (4) Fungi

Last Answer : (2) Cyanobacteria Explanation: Cyanobacteria, also known as blue algae, are single celled and belong to the family of Prokaryotes. That means, they do not have a cell nucleus. The ... life forms on Earth by stimulating biodiversity and leading to the nearextinction of oxygen-intolerant organisms.

Description : Name two non - symbiotic N2- fixing blue  - green algae (cyanobacteria)?

Last Answer : Nostoc; Anabaena

Description : Cyanobacteria are also called blue green algae. Why? 

Last Answer : Cyanobacteria contain a blue green pigment called phycocyanin in addition to chlorophyll. That is why they are also called blue green algae. 

Description : Which special pigment is present in cyanobacteria? 

Last Answer : In addition to chlorophyll, cyanobacteria also contain blue green pigment called phycocyanin, due to which these are called blue green algae.