These are a pair of organs inside a whale that take in oxygen from the air and allow this oxygen to enter the animal's blood. These organs are called

Which best describes mitochondrial DNA (mtDNA) ? A. Mitochondrial DNA is the same as nuclear DNA. B. Mitochondrial DNA is inherited through the father. C. Mitochondrial DNA can be traced for generations. D.

Which term describes the example below? A child with a widow's peak has a mother who is homozygous dominant for a widow's peak and a father who is homozygous dominant for a widow's peak. A. homozygous dominant B. homozygous recessive C.

What adaptations do plants have that allow them to survive on land?

Match the different responses of the body to an antigen attack to their appropriate systems. Tiles: 1. Innate immune System 2. Integumentary System 3. Lymphatic System 4. Adaptive immune System Pairs: A. phagocytosis of antigens by macrophages B.

Eutrophication decreases algae's ability to reproduce quickly. true false

This soil is made up equal parts of clay, sand, and silt. It is called

Which characteristics of capillaries cause restriction of blood flow

One cell has two copies of chromosomes while the other has none. What could have caused this

Suppose you want to set up an experiment to test the hypothesis that electromagnetic fields cause CCD, and you have 6 hives to work with. Which of these is the best experimental setup? A. 6 hives exposed to high levels of EMF B.

Which transports digested lipids and bile across digestive fluids to the surface of mucosal cells? a. LDL'sb. micellesc. HDL'sd. chylomicrons