Which is one reason some leaves are spiny or needle shaped

Type of neuron that receives messages from the environment

What does the main function of our circulatory system

A white mouse is crossed with a black mouse. all the offspring were gray. the genes for fur color in mice show?

Creates offspring that are genetically different from parents

Apa ethical differences between animals and humans

In a plants stem the vascular tissue is A. is always arranged in rings of vascular bundles B. is continuous from the roots to thel leaves C. carriers nutrients up the stem but not down D. plays a role in photosynthesis and storage.

During which stage of sex cell formation does the number of chromosomes decrease from diploid (2n) to haploid (n) ? a. prophase 1 b. prophase 2 c anaphase 1 d. anaphase 2

What would most likely interest an environmental scientist

Do you believe you have a personal responsibility to protect the environment

What happens to the total charge of the compound after the ions bond together?