How did bacteria make complex life on Earth possible?

By releasing oxygen into the atmosphere

B

By destroying life-inhibiting volcanoes

By evolving rapidly into multi-celled organisms

All of the above

Can rats pass on memories of a maze to their offspring?

Which of the following processes plays an important role in cycling carbon, nitrogen, and phosphorus? A. photosynthesis B. transpiration C. decomposition D. respiration

What is the name of the positive subatomic partial in a atom

Today's model of atom looks different from models that came before it. why has the model of the atom changed?

The zebra mussel, quagga mussel, and round goby a. first appeared in North America in or near Lake St. Clair b. likely reached the Great Lakes in the ballast of a freighter c. have their native range in the Black and/or Caspian Seas d.

Yellow bananas are called triploid organisms. Why do you think this is?

A method for eating out healthfully is to a method for eating out healthfully is to order any meat dish grilled or broiled and avoid fried or breaded meat dishes. eat out only when you are not especially hungry.

What conclusion would be mostappropriate about the genetic variation between humans and the three apes as illustrated by the phylogenetic tree

Is DNA allowed to leave the necleus of the cell?

What two things get thrown out of a cinder cone volcano