6. Plants that have nitrogen-fixing bacteria in their roots are called

A fertilizers

B nitrifiers

C ammonias

D legumes

Chemicals used in chemotherapy treatments to fight cancer can also harm cells in hair follicle and bone marrow what characteristic do this cells most likely share with cancerous cells A:they form tumors B:they spread through the blood C:they dive

A skydiver jumps out of an airplane and begins to fall. Even before opening his parachute, he encounters air resistance, a friction - like force. Eventually, he stops accelerating. During his fall, his total mechanical energy is alwaysover time?

A 41-year-old woman has made the recent decision to start a family and iseager to undergo testing to mitigate the possibility of having a child with Down syndrome. Which of the following tests is most likely to provide the data the woman seeks? A.

Proposed a theory to explain the origin of life on earth

Which of the following is an example of a destiny independent factor limiting population growth

Which characteristic makes fungi similar to plants? Both fungi and plants are autotrophic organisms. Both fungi and plants have vascular tissue. Both fungi and plants have cell walls of chitin. Both fungi and plants can grow in soil.

How do plants atrract flies or possums for pollination

Suppose a bolt of lightning starts a fire in a forest. The fire sweeps through the forest and burns away accumulations of brush and deadwood. What is the most likely effect of the fire on the forest community?

What impact does 2-d diversity have on a company?

How can acid rain affect biodiversity in a pond?