Explain this statement: the energy for all the organisms in a food web can be traced back to the sun. note: do not write, “the sun is our main source of energy,” as this is stated in the question.

Which statement describes john tuzo wilson’s contribution to the theory of plate tectonics?

In a classic experiment using pea shape, mendel conducted two separate genetic crosses. in the first cross the parent plants were “true breeding” for pea shape; one had round peas ( r )and the other had wrinkled (r). the first cross produced a filial 1 generation of all round peas. in the second cross, mendel bred plants from the filial 1 generation. this cross produced different results. out of approximately 1000 plants, about 75% were round and 25% were wrinkled.

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?