Description : Which one of the following statements about all the four of Spongilla, leech, dolphin and penguin is correct? (a) Penguin is homoiothermic while the remaining three are poikilothermic. (b) ... cells called choanocytes, not found in the remaining three. (d) All are bilaterally symmetrical.
Last Answer : c) Spongilla has special collared cells called choanocytes, not found in the remaining three.
Description : In desert grasslands, which type of animals are relatively more abundant? (a) Aquatic (b) Fossorial (c) Diurnal (d) Arboreal
Last Answer : (b) Fossorial
Description : What are cold blooded / Poikilothermic animals? Give example.
Last Answer : Vertebrates that keep changing their body temperature according to the changes in the environment are called cold blooded or Poikilothermic animals. Ex: Fishes, amphibians, reptiles.
Description : In aquatic environment, microscopic animals and plants are collectively known as
Last Answer : In aquatic environment, microscopic animals and plants are collectively known as A. Commensals B. Herbivores C. Fauna and Flora D. Planktons
Description : What is the difference between aquatic plants and desert plants ?
Last Answer : Aquatic plants 1. Their roots are weakly formed or completely absent. 2. Their stems are soft and weak. 3. Submerged leaves are thin and highly fragmented and gaseous leaves are large and ... cells are observed. . In most cases mesophyll tissue is divided into palisade and spongy parenchyma cells.
Description : What animals body temperature changes with temperature changes in the environment?
Last Answer : Animals such as reptiles are known as "cold blooded" animals. Their body temperatures are the same as their surroundings, and change with their environment.
Description : Are dinosaurs homeothermic or poikilothermic?
Last Answer : In early studies dinosaurs are poikilothermic in new study shows dinosaurs are truly homeothermic
Description : Is a salamander poikilothermic?
Last Answer : yes, their body temperatures can vary considerably
Description : Amphibians are Poikilothermic and
Last Answer : oviparous animals.
Description : What are the problems that vertebrates needed to solve to adapt to the terrestrial environment since they came from the aquatic habitat? How does evolution solved those problems?
Last Answer : The main problems vertebrates coming from water needed to solve to adapt to the terrestrial environment were the following: the problem to avoid dehydration; the problem of elimination of wastes in ... body support problem: further development of muscular and bony structures, like limbs and claws.
Description : Which is the chordate class considered an evidence of the transition of the vertebrates from the aquatic to the dry land environment?
Last Answer : The amphibians are totally aquatic in the larval stage and partially terrestrial animals as adults and for these facts they are considered intermediate beings in the evolutionary passage of vertebrates ... terrestrial as adults) of these animals. Frog Facts Review - Image Diversity: amphibians
Description : Match the organisms in column-I with habitats in column-II. Column-I Column-II A. Halophiles (i) Hot springs B. Thermoacidophiles (ii) Aquatic environment C. Methanogens (iii)Guts of ruminants D. Cyanobacteria (iv) Salty area Select the correct ... , C-(ii), D-(i) (d) A-(ii), B-(iv), C-(iii), D-(i)
Last Answer : (a) A-(iv), B-(i), C-(iii), D-(ii)
Description : Consider the following four conditions (1 - 4) and select a correct pair of them as adaptations to environment in desert lizards. Conditions: 1. Burrowing in soil to escape high temperature. 2. Losing heat rapidly from the body during ... to thick fatty dermis. (a) 3, 4 (b) 1, 3 (c) 2, 4 (d) 1, 2
Last Answer : (b) 1, 3
Description : When the continuing auditor intends to use information about the entity and its environment obtained in prior periods, the auditor should a. Assess control risk as "high" for the assertions ... whether to equitably reduce the audit fee due to lower audit effort expended during the engagement
Last Answer : Determine whether changes have occurred that may affect the relevance of such information in the current audit.
Description : During ecological succession (a) the numbers and types of animals remain constant (b) the changes lead to a community that is in near equilibrium with the environment and is called pioneer community ( ... area (d) the establishment of a new biotic community is very fast in its primary phase.
Last Answer : (c) the gradual and predictable change in species composition occurs in a given area
Description : Which of the following refer to correct example(s) of organisms which have evolved due to changes in environment brought about by anthropogenic action? (1) Darwin's Finches of Galapagos islands. (2) Herbicide resistant weeds. (3) Drug ... ) (b) (1) and (3) (c) (2), (3) and (4) (d) only (4)
Last Answer : (c) (2), (3) and (4)
Description : How do the multipurpose river projects affect the aquatic life ? Explain. -SST 10th
Last Answer : In recent years, the multi-purpose projects and large dams have come under great scrutiny and opposition for a variety of reasons : (i) Regulating and damming of rivers affect their ... to water intensive and commercial crops. This has great ecological consequences like salinisation of the soil.
Last Answer : (i) Quantitative aspect : This aspect is related to the availability of water resources. The availability of water resources varies over space and time mainly due to variations in seasonal and ... , chemicals, pesticides and fertilizers used in agriculture, thus, making it hazardous for human use.
Description : $ Viruses are at a border line position between living and non living. ! Phytoplanktons are those living organisms which are aquatic.
Last Answer : $ Viruses are at a border line position between living and non living. ! Phytoplanktons are those living ... wrong D. If both As and R are wrong.
Description : What is a glass sided tank, bowl in which aquatic animals live? -General Knowledge
Last Answer : The answer is 'Aquarium'
Last Answer : answer:
Last Answer : Most Large Aquatic Animals Blue Whale.
Description : Assertion `:-` Mostly aquatic animals are ammonotelic. Reason `:-` Ammonia is the most toxic form and requires large amount of water for its eliminati
Last Answer : Assertion `:-` Mostly aquatic animals are ammonotelic. Reason `:-` Ammonia is the most toxic form and ... . D. If both Assertion & Reason are false.
Description : How many animals in the given list have gills for respiration ? Earthworm , Frog, Fish, Insects, Reptiles, Aquatic arthropods, Flatworm, Molluscs, Bir
Last Answer : How many animals in the given list have gills for respiration ? Earthworm , Frog, Fish, Insects, Reptiles, ... A. Six B. Four C. Three D. Five
Description : Aquatic animals are mostly ammonotelic because
Last Answer : Aquatic animals are mostly ammonotelic because A. Excretion of ammonia requires large amount of ... lesser light D. Water contains less nitrogen
Description : What are adaptations of aquatic animals?
Last Answer : Hey mate.Here are some adaptations of aquatic animals, but, not anyspecific animal.1. Streamlined body reduces friction when the animal movesthrough the water.2. Smooth, almost furless body helps aquatic ... .16. They have fins and tails to help them in swimming. Theirtails give them directions.
Description : Why aquatic animals have soft skeleton unlike those of the terrestrial animals?
Last Answer : Ans: The density of animals and fish living in water is almost the same as the density of water. Therefore, their weight is almost completely balanced by buoyancy. That is why they do not need massive skeleton like those of terrestrial animals.
Description : Write a note on exchange of gases in aquatic animals?
Last Answer : Through Skin: - The skin of aquatic animals is moist and rich with blood so that oxygen can diffuse directly. Frog and tortoises breathe through skin during hibernation. Through Gills: - Gills are ... have external gills. Water enters through mouth flows over the gills and goes out of the body.
Description : DDT residues are rapidly passed through food chain causing biomagnification because DDT is (a) moderately toxic (b) non-toxic to aquatic animals (c) water soluble (d) lipo soluble.
Last Answer : (d) lipo soluble.
Description : Which one of the following options gives the correct categorization of six animals according to the type of nitrogenous waste they give out? Ammonotelic Ureotelic Uricotelic (a) Pigeon, Aquatic ... amphibia humans lizards, cockroach (d) Aquatic Cockroach, Frog, pigeon, amphibia humans lizards
Last Answer : (d) Aquatic Cockroach, Frog, pigeon, amphibia humans lizards
Description : What is a glass sided tank, bowl in which aquatic animals live?
Last Answer : Aquarium
Description : Life originated first in the primitive oceans. The evidences supporting this view a. Protoplasm and body fluids of all animals contain salt b. Moist simpler and lower animals are aquatic and marine c. Fossils of earliest animals obtained from rocks of marine origin d. All the above
Last Answer : d. All the above
Description : Aquatic animals in which fertilisation occurs in water are said to be a) viviparous without external fertilisation b) oviparous with external fertilisation c) viviparous with internal fertilisation d) oviparous with internal fertilisation
Last Answer : b) oviparous with external fertilisation
Description : What makes an ecosystem? (1) A living community and its environment (2) All the plants and animals of an area (3) Carnivores and herbivores of an area (4) Producers, consumers and decomposers in a particular locality
Last Answer : (1) A living community and its environment Explanation: An ecosystem is a community of living organisms (plants, animals and microbes) in conjunction with the nonliving components of their ... a system. These components are regarded as linked together through nutrient cycles and energy flows.
Description : An ecosystem consists of – (1) producers, consumers and decomposers in a particular area. (2) all the plants and animals of an area. (3) a living community and its environment. (4) carnivorous and herbivorous of an area
Last Answer : (3) a living community and its environment. Explanation: An ecosystem consists of communities of many different species living together, and all the physical aspects of the particular habitat, such as like soil, water, and weather.
Description : The natural environment refers to - (1) The living organisms and non-living objects or factors in an area undisturbed by human activity (2) The atmosphere in a forest (3) The plants and animals in a forest (4) The atmosphere of an area-a forest, lake or an ocean
Last Answer : (1) The living organisms and non-living objects or factors in an area undisturbed by human activity
Description : What makes an ecosystem ? (1) A living community and its environment (2) All the plants and animals of an area (3) Carnivores and herbivores of an area (4) Producers, consumers and decomposers in a particular locality
Last Answer : A living community and its environment
Description : An ecosystem consists of : (1) producers, consumers and decomposers in a particular area. (2) all the plants and animals of an area. (3) a living community and its environment. (4) carnivorous and herbivorous of an area
Last Answer : a living community and its environment.
Description : Consider the following four statements (1-4) about certain desert animals such as kangaroo, rat. (1) They have dark colour and high rate of reproduction and excrete solid urine. (2) They do ... water. (4) They excrete very concentrated urine and do not use water to regulate body temperature.
Last Answer : (c) 3 and 4
Description : Considered the following four conditions (A-D) and select the correct pair of them as adaptation to environment in desert lizards. The conditions (a)
Last Answer : Considered the following four conditions (A-D) and select the correct pair of them as adaptation to environment in desert ... (a), (c ) D. (b), (d)
Description : How do a group of plants called succulents adapt to their desert environment?
Last Answer : Cacti and succulents are plants that have adapted to the scarcity of rain water where they live, usually in a dry desert environment. They survive by having fibrous roots that spread out and dive ... as possible. Cacti and succulents have a waxy coating that prevents water escaping from the plant.
Description : The detrimental effect on organism and water quality with temperature rise of aquatic system is the reduction of __________ of water. (A) Dissolved oxygen content (B) Biological oxygen demand (C) Vapor pressure (D) All (A), (B) and (C)
Last Answer : (A) Dissolved oxygen content
Description : Compared to terrestrial environments, aquatic environments are more stable in: w) temperature range x) producer consumer distribution y) sunlight absorbed z) number species
Last Answer : ANSWER: W -- TEMPERATURE RANGE
Description : How do plants adapt to living in a desert?
Last Answer : They develop ways to store water because it is so dry.
Description : How do camels interact with other desert animals?
Last Answer : A: Camels interact with other desert animals in various ways. They may compete with other herbivores for limited food resources or share watering holes with other species. Camels can also serve as hosts for parasites, which can affect other animals in their environment.
Last Answer : : Addex , Antelope , Ostrich , Desert , Desert Gazelle , Monitor Lizard, Sand Vipers Snake
Description : The animals in tropical desert region are small and tend to burrow.
Last Answer : Identify the correct correlation: A - The animals in tropical desert region are small and tend to ... but R is not the correct explanation of A.
Description : What would happen the population of rock dwelling lizards if all the rocks are removed from a desert ecosystem and turn in the animals which eat them?
Last Answer : the lizards sadly would die and maybe snakes or other reptileswould eat them
Description : How do animals get shelter in the desert?
Last Answer : any animals that live in the desert find homes underground or ifthey can the a dig a hole in a cactus perfect for surviving