A carbon atom should be able to make 4 covalent bonds.
The corrospondance will be changed of the amino acids
Answer:
The way that the continents all looked like they could fit together
Answer:
Pollution.
It become reservoir for waste deposition.
Habitat of bacteria growth.
Organisms in them die due to lack of food resources.
It's lead to algal bloom.
Explanation:
Lentic environment is a stationary or still water, i.e water that doesn't flow but it is stationary at one place. Examples are ponds, ditches, reservoirs, lakes , pool, seep.
The major challenges of lentic environment are;
It become reservoir for waste deposition.
Habitat of bacteria growth.
Organisms in them die due to lack of food resources.
It's lead to algal bloom.
Answer: Option A
Explanation:
An endosperm is defined as the tissue which are produced inside the seeds during fertilization. As the endosperm surrounds the embryo, it acts as the food storage for the embryo and provide nutrition.
During embryo development , endosperms supports enlargement of cotyledons which helps in storage function and stores fats and starch and provide nourishment to the embryo.
for example cereal crops or grains are primarily endosperm which stores fat and starch and are edible fruits.
Hence, the correct option is A, endosperm can be a cotyledon which functions as a source of food for embryo.