According to the theory of punctuated equilibrium which event could lead to speciation?

A. An extremely cold winter occurs.

B. A meteor strikes Earth.

C. One species changes behavior patterns.

D. A geographic barrier separates species.

Jezelyn needs to create a project that shows reproductive isolation in action and decides to make a video.

Soil can best be described as the A. sandy bottom of the ocean's floor. B. layer of bedrock four layers beneath the Earth's surface. C. third layer beneath the Earth's surface. D. loose covering of weathered rocks and decaying organic matter.

Sound events that occur in reaction to gameplay but are unaffected by the player's directional movements are called what?

imagine you own your own supermarket. what are some things you can do to reduce the amount of waste caused by the products you sell?

Name one animal and one plant that has been selectively bred by farmers in the past

What types of reproductive isolation may have been important in galápagos finch speciation? a. geographic isolation and temporal isolation b. geographic isolation and behavioral isolation c. behavioral isolation and temporal isolation d.

The loss of the ability of the larynx to produce normal speech sounds is called:

Explain how a blood glucose concentration of 7.5 mmol dm-3 would be brought back to normal in the body of a mammal and why this is a negative feedback mechanism

What is the salinity of ocean water

Which of the following could describe a population that is decreasing in size