This is a diagram of a prairie food web. Mountain lion
Hawk
Snake
Sparrow
Spider
Frog
Deer
Mouse
Rabbit
Cricket
Trees & Grasses
If the deer population is reduced, which of the following organisms will be affected by the reduction in the amount of
energy provided by deer in this ecosystem?
A Mountain lion
B
Mouse
с
Hawk
D
Rabbit

Aplant has an egg with 34 chromosomes how many chromosomes does a leaf cell of that plant have

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

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols