Suppose no crossing-over takes place. Use step 5 to explain why meiosis will still increase genetic variation.

What is the hardest element on earth

Are species always able to adapt successfully to a new or changing environment in this way?

Compare how energy is processed in animal and plant cells?

Looking through a microscope, you see a cell forming a cell plate during cytokinesis. Which cell are you looking at?

Which statement is an example of a scientific theory

3 physical characteristics of humans affected by the environment?

What is indirect competition in biology terms

A muscle cramp is most likely due to lack of A) ATP. B) ADP. C) actin. D) myosin. E) acetylcholine.

Why is speech the easiest modality for communication?

Which statements describe the cyclic nature of seafloor spreading? Check all that apply. a) Continents are created. b) New oceanic crust is created. c) Volcanoes erupt and produce more crust. d) Old crust is destroyed at subduction zones.