Evolution occurs when?

A) There is a change in genetic frequency

B) There is a change in the environment

C) A population has remained stable over a long period of time

D) New habitats and niches became open

is a lipid polimer

An adult male pig's urine contains a chemical substance that accelerates the onset of puberty in female pigs. What is this substance called?

2. When you decrease the pH in the simulation, the ocean's acidity increases. What do you expect to happen over time to the population of the corals, algae, and fish in the coral reef as the pH of the ocean decreases?

Creating molecules such as enzymes that regulate cell functions thes enzymes belong to a larger class of molecules known as.

Soil is an organism

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.