What characteristic is shared by birds, salamanders, and sharks?

A. Lungs

B. Endothermy

C. Four limbs

D. Jaws and paired appendages

(Im pretty sure its not A or B but idk)

What are some groups of people who have strong feelings about how animals are treated? what do you know about them? what do they usually believe?

What is the basis of an organic molecule? A. The basic structure is the potassium atom B. The basic structure is a carbon monoxide molecule C. The basic structure is the iron atom D. The basic structure is the carbon atom

What type of cell is produce in meiosis

What scale would most likely benefit any scientist who is designing a science experiment to test a question

How has the concept of a "planet" changed since the 16th century? Do you think this shows scientific accuracy or disproves future facts, as one assumes that they will be discredited in time too?

Reflection about endocrine

The Consumer Price Index (CPI) measures the

When describing a community, a biologist would discuss A. every population that lives together in an area. B. biome that exists in the biosphere. C. every organism that can produce offspring together. D. every ecosystem that is part of a biome.

What are the 2 elements involved in the sun's production of energy?

The biggest risk factor for the development of skin cancer is excessive exposure to ultraviolet radiation from sunlight. Exposure to UV light in a tanning booth is safer. Is this statement true or false?