What might make it hard for someone to use a dichotomous key? Make a list of possible reasons.

When the moon moves directly between the sun and Earth and casts its shadow over part of Earth, you are seeing a: A full moon B solar eclipse Clunar eclipse D waxing crescent moon

If an animal leaves a footprint in soft mud, what type of fossil may be made?

Explain how prokaryotes are different from eukaryotes in terms of internal cell strcute

Charles Darwin concluded that the distribution of living and extinct around the world could provide evidence of evolution

Horses, zebras, and donkeys are all different species. They are believed to have come from one common ancestor and just become more and more different due to their different environmental conditions. These animals may have evolved by

By what process do all living organisms grow and repair themselves?

What is the name of the heart's contraction?

Which describes the habitat of a frog?

The size of a population refers to the

An electric current will always follow a. the path of least resistance. b. a path toward the north pole. c. a path toward the south pole. d. the path that leads through insulators.