Which of the following refers to changes in species characteristics over time?

evolution

interdependence

metabolism

reproduction

In the mid-19th century, symptoms of fatigue, vague aches and pains, low-grade fever, and lack of energy were attributed to a disorder called neurasthenia, which literally translated to

Which serves as evidence for a scientific claim?

When you read, your brain uses

What would be the mrna strand if the dna strand reads: agccagttc?

What can the fossil record show us that our daily observations cannot?

Which of the following pairs reflects a relationship to addiction? a. medulla oblongata-craving b. cerebellum-reward c. hippocampus-craving d. nucleus accumbens-reward

The difference between generative writing and drafting is: a. generative writing brings up ideas, drafting develops one idea. b. generative writing develops one idea, drafting revises the idea. c. generative writing is more specific than drafting. d.

How big is a blood cell? house does its size compare to dust mites and then to the e. coli bacteria

What do DNA stand for

In a sample of double-stranded DNA, 10% percent of the nitrogenous bases are guanine (G). What percentage of the nitrogenous bases in the sample are cytosine (C) ?