The brahman cattle have good resistance to high temperatures, but its meat is poor and tough to eat. the english shorthorn cattle, on the other hand, have good meat, but poor resistance to high temperatures. scientists formed the santa gertrudis cattle by breeding brahmans with english shorthorns. this new type of cattle has good meat and resistance to high temperatures. this is an example of

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.