I think it's the first and second option but I could be wrong because I don't know much about deserts :)
The answer is Vas deferens
The effects could be, the top consumers may run out of food, which would make it harder for them to catch food
The given statement is False. Hence, the correct choice is F.
The activity of the plants and the animals are influenced by the abiotic factors present in their environment. The change in the abiotic factors outside the body such as the temperature, air and the presence of the water molecules provoke responses in the body of the organism. For example, the winters (low temperature) causes the loss of the leaves in the deciduous trees and the increase in the temperature causes more sweating in our body.
The slightest change in pH can destroy the substance or organism. The pH of a cell's interior helps regulate the cell's chemical reactions. For example, the pH of blood is 7.4, if blood falls to 6.8 or lower or 8.2 or higher, it results in death.