What stage in meiosis does crossing over occur?

How long does it take for primary succession to reach climax community?

When discussing population features a cohort is described as question 6 options: a all individuals living in the same habitat. b all the different species in a community. c all the organisms interacting in the ecosystem.

An ovule can be defined as:

essie is working with a 100% stock concentration of Clorox. She decides to add 150 µL of bacteria to a tube containing 2 mL of nutrient broth and then adds 200µL of the Clorox stock to the tube as well. What is the unknown concentration of the tube?

Distinguish between anaerobic and aerobic cell respiration in eukaryotes.

A river separates two groups of mice one black and the other all white a Beaverdam allows the mice to cross the river overtime midi grade mice are born. The river lined with gray stones.

State one effect of FSH

What could stop the ocean currents

Horticultural societies use animal to accelerate food production true or false

Which biologist is best known as the father of modern taxonomy?