Answer: B!
Explanation: This simply makes the most sense, as the population will go down when individuals die, and grow when more are born
A simple question, but I hope this helps you :)
Answer: a. Secondary
Explanation:
Once soil is already present all you need are animals to re establish the ecosystem
Answer:
indifinid 0f bird in india
Answer:
because some genes expressed in neuron is not expressed in WBC's.
Explanation:
Every cell in the body contains the same DNA sequence and the same gene but all the genes are not expressed in a cell. Each cell expresses a particular set of genes according to the function they perform.
For example, a red blood cell will express a gene that code for hemoglobin to carry oxygen but white blood cell do not carry oxygen, therefore, it will not express the gene of hemoglobin rather it will express a gene that make proteins that can be used to kill pathogens.
Therefore according to the function of cell genes are expressed so neurons express genes that make neurons receive and respond to electric signal.
Choice 1 protons and neutrons, not electrons because they are in the outside circling it