How can old Christmas trees be used to help restore wetlands? A. They can be used in planting projects where new pine trees are needed.
B. They can be used in oyster barrier reef projects to create nearshore oyster reefs.
C. They can be used in marsh creation projects to create new marsh in areas of open water.
D. They can be used in sediment and nutrient trapping projects to catch and hold sediment particles.

Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling

Grasses--> mice--> cats--> coyotes suppose 10,000 units of energy are available at the level of the grasses. what is the total number of energy units lost by the time energy reaches the coyote?

Identify the structure in organisms that do not have kidneys that is adapted to regulate water balance