Thinking back to the energy pyramid, coyotes prey on prairie dogs. In order for the prairie dog population to survive, how many prairie dogs are needed compared to coyotes? * PLEASE HELP!

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

Choose the correct words to complete the sentences related to genetic screening. is a procedure that is used during pregnancy to detect genetic defects. is extracted from the uterus and used to identify genetic disorders?

Is this mrna or rna need need the answer in a hurry