According to the fossil record, which of these evolved after amphibians? Check all that apply. mammals sponges fish bacteria reptiles Mark this and return

Which of the following best explains why the Inuit principally relied on hunting for survival? Group of answer choices A. Tundra never thaws sufficiently for crops to grow. B. Prey animals are more scarce in tundra regions. C.

What type of device can be used to view the movement of living microorganisms A. light microscope B. Electric electron microscope C. Transmission electric microscope D. Telescope

According to cell theory, which activity is impossible?

Organisms with traits that are well-suited to an environment tend to survive and reproduce at a greater rate than organisms that are less suited to an environment. This phenomenon is known as?

Individuals of a certain breed of sheep can have either white or black wool, depending on which versions of a specific gene they inherited from their parents. What are these alternative forms of a gene called? A. genotypes B. Alleles C. phenotypes D.

Which answer is a type of muscle tissue in the human body humoral cardiac digestive pulmonary

Select all the correct answers. According to Newton's law of universal gravitation, which statements are true? As we move to higher altitudes, the force of gravity on us decreases. As we move to higher altitudes, the force of gravity on us increases.

To amplify and express a gene of interest, it must first be cut out of the chromosomal DNA and inserted into what? A) restriction enzyme B) agarose gel C) vector D) none of these

Which statement is correct about the total mass of glucose and oxygen formed during photosynthesis? It is equal to the total mass of carbon dioxide used. It is less than the total mass of carbon dioxide used.

If George is startled by a loud noise immediately after his baby sister cries, he is likely to become fearful every time she cries.