<span>Levene is known for his "tetranucleotide hypothesis" (formulated around 1910) which first proposed that DNA was made up of equal amounts of adenine, guanine, cytosine, and thymine.</span>
Answer:
False. it occurs only in the presence of light
The control would be a plane without any clips
Answer:
''The biological importance of green algae''
Explanation:
There is a huge biological importance of green algae because green algae provides oxygen as well as food to the marine animals. The equilibrium in the ecosystem is maintained by the green algae, if green algae is removed all the marine animals die due to no availability of food for the marine animals that feed on these algae. It also helps in maintaining the health of the marine ecosystem because algae are absorbed carbon dioxide that is released by fishes and also provide oxygen to the marine animals present in water.
Answer:
(I) Earthworms digestive track is straight and simple. cockroach is curved and more developed. (ii) Earthworm absorb oxygen passively through the moist skin while the cockroach takes gas diffusion place through their spircle .
