If an animal is an ectotherm, it has

• a skeleton on the outside of its body

•a skeleton on the inside of its body

•a body that regulates its own internal temperature

•a body that does not produce much internal heat

Which word in the sentence is an adjective. The modern Olympics began in Athens, Greece, in 1896. A. Greece B. Olympics C. modern D. Athens

College-educated nutrition and food specialist who is qualified to make evaluations of the nutritional health of people?

You are considering having a child and interested in a certain trait being passed down. A geneticist collects as much information as possible about your family's history for that trait. The geneticist is most likely making a ___.

Paracrime signsling is different from other types of signaling in that the signaling molecule

Your town is considering building a biodiesel power plant. Describe at least one advantage and one disadvantage of this project. Based on these factors would you recommend that they continue with the project or consider other options?

Which of the following is a key element of naturalism

Jan noticed that when she put a tomato in water, it sank. When she put an apple in water, it floated. Why did the tomato sink while the apple floated?

an ___organism has different types of cells that are specialized for various functions. (fill in the blank)

What process reshuffles allele combinations between homologous chromosomes? a. genetic recombination b. asexual reproduction c. independent assortment d. mitosis

If there was a fungicide that killed all fungi, make a prediction on how that would affect the ecosystem and eventually us humans