What was one of the first plants to actually look like the common plants that we have today?

A. Cooksonia

B. Tracheophyta

C. Antheridium

D. Moss

In the body, the function of water is to transport nutrients and oxygen to tissues, lubricate joints, protect the brain and spinal cord, and remove waste.

List the the names correct order of as the in 7 amino acids in protein made. the

Which skill is critical for a career in marine biology? A. financial skills B. scientific way of thinking C. negotiation skills D. swimming and diving skills E. ability to pilot a boat

Select the four natural events that could cause local competition for natural resources. flood hurricane tornado big rig wreck drought lightning

How are cyclotrons used to create synthetic elements?

Coal is used to produce energy. The harmful gases produced by coal are cleaned up by a method which needs a large amount of limestone. Predict and explain the long term effect on the environment of obtaining and using limestone.

True or false two genes may not segregate independently if they are on the same chromosmoe

Blood pressure rises and falls in a pattern corresponding to the phases of the

Immune system cells enter a resting phase after undergoing mitosis. when activated-for example, by an infection-they can reenter the sequence of events in the cell cycle that leads to cell division.

How does a muti-celluar organisms organise