Answer:
Energy and nutrients are cycled throughout all the different components of the ecosystem. The non-living components like heat and nutrients are called abiotic factors. Both biotic and abiotic factors contribute to an environment's health. Biotic factors include plant productivity and animal behavior.
Answer: Option D
Explanation:
Hershey and Chase were the scientist that concluded that DNA is the genetic material which is transferred from one generation to another generation.
Before their experiment, people used to believe that protein is the genetic material.
Hershey and Chase conducted an experiment on bacteriophage where Radioactive phosphrous was transferred along with DNA in the cell.
This proved that DNA is the genetic material that transferred information from one generation to another.
Because different genes are switched on and off in each type of cell.
Answer:
a method of classification of animals and plants according to the proportion of measurable characteristics that they have in common. It is assumed that the higher the proportion of characteristics that two organisms share, the more recently they diverged from a common ancestor.
Explanation:
Answer - D. Were in Search for food to eat.
Reasoning - As ice age and resistant of water became changing in ponds and lake the resource of food started to deplete so evolution became a evolving for creatures aka reptiles.