Which of these animals is considered a model for punctuated equilibrium?

a. whale

b. ammonite

c. Archaeopteryx

During which months do both the Northern and Southern Hemispheres receive the same amount of energy from the Sun? Check all that apply. - December - June - March - May - September

Because plate movements have raised ancient sea floors above sea level

describe the interaction between the Farmer and Manufacturing objects, such as farming equipment. How does energy flow

Is anaebaena azollae gram positive or gram negative?

Beak shape in finches is affected by

Stranded on an island, you have two sources of water to drink: salty ocean water and contaminated fresh water. explain your choice of drinking water and indicate why your selection is the best choice.

How are a hypothesis a prediction and an experiment related

Two species of garter snakes live in the same geographic area. One lives mainly in water and the other mainly on land; therefore, they rarely encounter each other and do not interbreed. What type of isolation is this?

Matter that has a definite column but no definite shape is a

Many pharmaceutical drugs specifically inhibit transcription in bacteria but not archaea or eukarya. why would drugs that inhibit transcription only affect bacteria and not archaea even though they are both prokaryotes?