Who coined the phrase "the survival of the fittest"?

a. emile durkheim

b. charles darwin

c. harriet martineau

d. herbert spencer

e. karl marx?

Which scientist (s) suggested for the first time that the proportion of adenine and guanine differs from one species to another?

Vertebrates that are warm blooded, give live birth to live young, and nourish their young with milk would be classified as A) amphibians. B) bird. C) mammals. D) reptile.

The planet Mercury is closer to the sun than the planet Venus. However, temperatures on Venus are hotter than temperatures on Mercury. Why would this be the case? A) Mercury has a thicker atmosphere than Venus that blocks heat from the sun.

The relationships between a community of plants and animals and their environment are known as a

Which of these conclusions is correct about P and Q in the diagram?

What defines a species of organisms? what makes them a species?

What do food chains demonstrate? What do they tell us about energy?

Which type of seismic wave does not move through liquid material?

Plants use chlorophyll to capture light energy, which fuels the manufacture of food. True or False

What it the difference between abiotic and biotic factors?