Which type of circulation explains the movement of blood from the heart to the lungs and back to the heart again? pulmonary system fetal?

Explain why offspring are not clones of each other or their parents.

It is thought that in Europe, the influenza virus changed in such a way to make it more virulent in the human population, resulting in increased severity of disease and increased mortality.

By what process do autotrophic organisms convert solar energy into chemical energy

How many legs does a daddy long legs have?

What species is on top of the food chain eagle, mountain, or a mouse

What is the best distinction between birds and other animals? A birds eat seeds B birds have amniote eggs C bird have feathers D birds can fly

A preterm newborn is noted to have hypotonia, apnea, bradycardia, a bulging fontanelle, cyanosis, and increased head circumference. these signs indicate the newborn has which complication

The organisms that breakdown organic wastes and remains of the dead into simpler substances that can be used by other organisms are known as

Technology can have good and bad affects. what is a bad effect spraying pesticides on crops with the use of airplanes?

Which statement below is false regarding ocean crust and continental crust? A: Ocean crust is more dense B: Continental crust is composed of only igneous rocks C: Ocean crust is younger D: Continental crust is older