A scientist found fossils of trilobites in a field. Trilobites are now extinct, but lived in water when they were alive. What can the scientist conclude about the field where the fossils were found?

In terms of tissue tropism, the Ebola virus has (A) tropism, and the rabies virus has (B) tropism.

A person feels tired, gains weight, and notices changes in metabolism. Which gland would be the cause A: the pancreas B: the testes C: the thyroid D: the ovary

Describe the process of photosynthesis. Explain how it occurs and why it is important to plants

Measuring the mesio-distal of the mandible cuspid can be used for what purpose? A - sex of victim B-height of victim C-health of victim

What is the difference between a reactant and a product?

A scientist is testing the effectiveness of Drug X on cancer. She gives a small amount of the drug to the mice that have cancer.

The genome of the pufferfish, Fugu rubripes, is only one-tenth the size of mammalian genomes. Which of the following most likely accounts for this difference? Choose one: A. movement of mobile genetic elements B.

A genetic factor that blocks another genetic factor

What property of light waves explains the appearance of the pencil under water?

Which statement is false? Organ rejection is a big risk in patients with organ transplants. Donor organs are treated with disinfectants and antibiotics before they are placed in the recipient.