Which is an external stimulus?

A thirst

B heat

C pain

D hunger

Why is evolution neither entirely fixed nor random

What is Poly climax theory

In ovaries the final product of meiosis are

How do the animals in the rain forest ecosystem grow and thrive?

Which of these is a chemical property of a sheet paper A - the paper can be burned B - the paper does not conduct electricity C - the paper can be crumpled D-the paper does not attract a magnet

Advantages and disadvantages of amniocentesis

Physical properties are those that an object or trace evidence has with just its physical existence, without altering it in any way with chemicals.

According to cell theory, which of the following are made of cells? Check all that apply flowers rocks blood water bactena sugar skin

How does armillaria affect agricultural practices?

List 4 piece's of evidence that support the theory plate tectonics