Humans breathe through bronchi. What structure do insects have for breathing?

A.

gills

B.

tracheae

C.

skin

D.

lungs

What happens if a volcano forms near a tectonic plate?

The instructions for making new copies of a virus are? part of a virus''s capsid coded in protiens on the surface membrane coded in either RNA or DNA found only in bacteriophages

How does laser light carry sound

what is the relationship between prokaryotic cells and eukaryotic cells that lead to the development of the eukaryotic cells we see today?

A biologist claims to have discovered a single-celled organism that is evolutionarily unrelated to any organisms known to inhabit Earth. Which observation made during an extensive study of the organism most solidly supports the biologist's claim?

Which of the following is NOT a characteristic of all living things? A. adapt to change B. take in oxygen C. made of cells D. respond to stimuli

A man affected by a recessive trait on the x chromosome marries a woman who neither shows the trait nor is a carrier. Which outcome is possible if they have two children-a son and a daughter?

Do the trees discussed in the article make their own energy every day?

The air that we breath is made mostly of which gaseous molecule?

Carbohydrates, DNA and lipids can be found in living things as long as Molecular Chains. Which of the following statements best describes how DNA differs from lipids and carbohydrates. A:Only DNA contains nucleotides.