What is it called when oxygen passes into the capillaries that surround these sacs?

In a vegetable garden 45 bean plants have been eaten by deer 5 are untouched what is the frequency of bean plants in the garden that have been eaten?

Describe the two types of vascular tissue

Describe your dna model. which part do the straws represent? the pushpins? the paper clips and the black dots you made with the marker?