Which is one purpose of cell division?
a.
to increase the number of cells
b.
to produce proteins
c.
to use energy
d.
to acquire food
i'm 100% sure the answer is a. but i wanna make sure.

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

Match the following terms and definitions. 1. species that are adapted to live in equilibrium at carrying capacity population density 2. population growth that reaches equilibrium and carrying capacity population 3. death rate mortality 4. birth rate k-selected 5. a group of interacting individuals of the same species within the same geographic area natality 6. the number of organisms living in a particular area logistic growth

Ascientist is designing an investigation to study the impact of invasive bird populations on local, native bird populations at backyard bird feeders. what population is most likely to be a control group for the investigation? amount of food number of bird feeders invasive bird populations local backyard birdfeeders without food