Assume that producers in an ecosystem have 1,000,000 kilocalories of energy. How much energy is available to primary consumers? this is the only question i dont understand on my worksheet please hellp

Four types of motile cells in human body?

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods.c. it shows that these organisms share the same habitat.d. it provides evidence that these organisms suffered a genetic mutation.

How energy move through ecosystem ?