What part of the Respiratory System works as a gate keeper to prevent water and food from going down the trachea?

a

Epiglottis

b

Uvela

c

Lungs

d

Trachea

Characters such as height, weight, and skin color are controlled by many genes acting together. these are examples of:

Describe two different methods that can be used to assist in solving crimes and missing-person cases. Explain the benefits of each.

Explain in general how tissues, organs, and organ systems work together to maintain homeostasis

When a fish swims from salt water into fresh water, its cells react by:

Which observation does not indicate that a chemical reaction has occurred?

What is an unusual property of magnetite?

Which describes the scientific view's order of earth's first living things to the most recent? A. cyanobacteria, hagfish, crocodilians, giant ground sloths B. cyanobacteria, crocodilians, hagfish, giant ground sloths C. cyanobacteria.

At what stage of mitosis does the cell grow and make copies of its hereditary material

A landform that has high elevation and a more or less level surface is a ...

Which of the following contain only prokaryotes? A) Domains Bacteria and Eukarya B) Domains Archaea and Bacteria C) Only Domany Eukarya D) Domains Archaea and Eukarya