Which happened during Cenozoic era?

a. Modern birds evolved.

b. Shellfish evolved.

c. Trilobites evolved.

d. Dinosaurs dominated the planet.

Which of the following might the government invest in to promote infrastructure growth? R & D education health care physical capital

Why is our ecosystem important?

Pumping CO2 directly into the deepest zones of the ocean has been proposed as a strategy to mitigate climate change.

What will happen to your body if you go without eating protein? A. nothing, a couple of days without protein is fine B.

Look at the food chain illustrated here. Frogs react very quickly to changes in their habitat. What would happen to the food chain if the frogs began to die off? A) The number of insects and grasses will get larger.

Describe two ways in which communication in the endocrine system and in the nervous system are different and one way in which they are similar.

One of mrs. morgan's fractures is described as being located on the proximal diaphysis. which of these phrases best describes the anatomical location of this fracture?

When a cell divides in mitosis, how do the daughter cells compare to each other?

What is one main human activity that causes smog, acid rain and contributes to global warming?

Filtration requires hydrostatic pressure. a. True b. False