Which object has the same shape as a DNA molecule?

a) pyramidal house

b) rectangular TV screen

c) spiral staircase

d) hexagonal stop sign

The deepest ocean trenches have high salt concentrations that can reach upwards of

A threatened species is likely to have blank than an endangered species

Sediments deposited in layers eventually form what kind of rock.

In one of her epeditions, a marine biologist finds a new organism that has an unsegmented, radially-symmetrical body with spiny skin. Under witch phylum should she classify this organism Annelids Arthropods Echinoderms Mollusks

You just observed a group of cells with a microscope. you know they are plant cells if you see which of the following? A: a nucleus B: a cell membrane C: cytoplasm or D: a large vacuole

The nurse is educating the parents of a 5-year-old girl with infectious conjunctivitis about the disorder. which information is most important to provide to prevent the spread of the disorder

Which is an example of the way matter cycles through the bodies of living things? A) A fish swims in the ocean. B) The sun heats up a rock. C) One animal eats another animal. D) Trees convert sunlight to energy.

Which of the following substances is used up during photosynthesis? Oxygen Sugar Sulfur dioxide Water

What is the role of mouth

Which atoms are found in all carbohydrates?