The correct answer is B. Natural selection occurs through generations and is in which organisms best suited to their environment survive.
Answer:
The substance taken in is mineral salts.
Answer:
B: a population’s age-sex structure
Explanation:
A population pyramid is a way to visualize two variables: age and sex.
They are used by demographers, who study populations. A population pyramid is a graph that shows the distribution of ages across a population divided down the center between male and female members of the population. Expansive pyramids mean that the population does not increase much in total number and has many young people.
Hope this helps! Info from National Geographic, I would trust it if I were you!
Answer:
The independent variable is allowed to change and the dependent variable is held constant to see what other conditions
Explanation:
the dependent variable is what is being tested therefore it is what remains constant unlike the independent variable.
Hope this helps. let me know if im wrong.
The process of mitosis helps organizing reproduce by repeated division of cells, the somatic cells increase in number, the cells are differentiated into different kinds of tissues for the body of organisms.
basically,,,, the increase in the number cells by repeated mitosis divisions help the growth of asexually reproducing organisms and allow them to reproduce more.