What are the three unifying characteristics of chordates?

A) Dorsal nerve chord, radial symmetry, three layers of cells

B) Water vascular system, backbone, gill slits

C) Exoskeleton, notochord, lungs

D) Notochord, gill slits, dorsal nerve cord

Atherosclerosis is a disease in which plaque builds up in the arteries, effectively narrowing the arteries. How does atherosclerosis affect the flow of blood through the body? A. The body produces smaller blood cells, which increases blood flow. B.

What behavioral adaptation do otters use to eat shelled animals?

What are these structures stop blood flowing backwards into the atria.

Caverns most commonly form in what type of bedrock

What is it Non-Mendelian Inheritance

Griffith, in his 1928 experiments, demonstrated that bacterial strains could be genetically transformed. The evidence that DNA was the "transforming principle" responsible for this phenomenon came later.

Is the organism Fern extinct

Where is fresh water found? Select three options, rivers oceans ice sheets water vapor coastal wetlands

A mineral that breaks along one or more straight lines exhibits which property ФωФ

Which of the following is a biotic factor? a. Parasites b. Sun c. Soil d. Temperature