What part of the larynx covers the laryngeal inlet during swallowing to keep food out of the lower respiratory passages? a. vocal foldsb. epiglottisc. thyroidd. cartilage glottis

Which element is the basis for the macromolecules found in living things?

What natural factors do scientists study to understand long-term climate change? Check all that apply. Earth's position pollen grains tectonic activity volcanic activity solar energy

Endocrine disrupters: are only active in very large doses or exposures only affect the reproductive capability of females affect the reproduction of fishes, birds, reptiles and mammals only affect the reproduction of humans have been conclusively

Whar are the five kingdoms of living organisms? With examples.

Are populations supposed to change or stay stable over time?

In the ocean, small remora fish are often found cleaning bacteria and other parasites from the mouths and gills of swordfish. Which of the following phrases best explains this interaction? A. animal affecting the life of an animal B.

Why do you think it is so difficult to control the spread of invasive species?

Suppose four different species live in close proximity to one another within an ecosystem. Species W reproduces through fragmentation. Species X reproduces sexually. Species Y reproduces through budding. Species Z reproduces through fission.

A carcinogenic mutation is not inheritable. What could be the reason for this? A. It occurs in germ cells and can be passed on to descendants during reproduction. B. The mutations could be treated by chemotherapy. C.

Explain why different surfaces have different albedos.