TRUE OR FALSE
DNA is so thin, that a human hair is about 40,000 times as wide.

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

Drag the tiles to the correct boxes to complete the pairs. match each cell organelle with its description.

What two factors does carrying capacity compare? population size and resource use population growth and resource availability resource use and time population size and time