A cell. it is the smallest unit of life that can reproduce indepentantly
The most appropriate lighting for a reptile enclosure which ensure ultraviolet -B exposure. Reptiles depend upon skin manufactured vitamin D3 and has no capability to use the vitamin D3 which is available in the food they eat.For these reason reptile must bask in the sun or the UVB emitting bulb which help to maintain vitamin D3.
1.our ancesters are monkey but it is not truely proved.
2.our brain were 4 times bigger than ancesters.
The correct answer for this question would be option B. Greenhouse gases are needed for the survival of life on Earth because without greenhouse gases, Earth would be too cold for life to exist. Hope this answers the question. Have a nice day.
Answer:
Quadrat method is used for estimating the number of individuals in an area. In this method, a large square area on the ground or water surface is marked, call it an enclave. The number of animals present in this enclave is counted. Then by assuming that the animals are less migratory and are uniformly distributed, their number for a large area is estimated by the use of unitary method of calculation. Example a 4 square feet area has 2 snails, then a 1000 square feet area will have (1000 x 2)/4, i.e, 500 snails in it. Fishes can be counted using this method only if they are confined in a small water body like a lake or a pond. Rivers are flowing so the fishes may move along its length which can give us an underestimate or an overestimate of their numbers. Sea has its depth and huge area, and fishes can be moving randomly in it. Hence this method will not work for river and sea fishes.
Explanation:
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