What best provides optimum conditions for cacti? alpine meadow, grassland, salt marsh, or the dessert?

How many trophic levels are there in the following food chain? phytoplankton - shrimp - perch - pike - osprey

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.

Select the word from the list that best fits the definition a system made of 25 satellites