Use the following graph of two theoretical populations (species a and b) to answer the following questions:
a)what type of relationship do the two species appear to have with each other?
b)describe the role that each species, a and b, appears to play in this relationship. explain why you labelled species a and b the way you did.
c)the population dynamics of species a tend to lag behind those for species b. explain how this could occur.

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

Which of the following is a period in the paleozoic era? devonian cambrian permian all of the above

When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?