In some case, I would say the sea otter would be both a dominant and keystone specie. Sea otters are main predators and most often are at the top or near the top of the food chain (whales and sharks would trump them easily as the top predators), but in this specific situation, the sea otter is a keystone species. A keystone species is an organism that more often than not an ecosystem can not continue without. In this situation, without the sea otter to control the sea urchin population is grew out of control and caused the expulsion of the giant brown kelp and havoc for the spawning fish. Thus, the sea otter is a must.
It could tell the weight of the individual that wore the footprint. It's especially useful in crime cases, because using the weight and shoe size, interpreters can accurately guess the height and gender of the individual.
Answer:
high levels of oxygen
Explanation:
my science teacher once told me
Answer:
The correct answer would be c. Ball and socket joints.
The Ball and socket joint is one of the types of synovial joint in which the round or ball-shaped end of one bone and cup or socket-like depression of other bone are complementary in nature.
The ball of one bone fits into the cup of other bone.
It provides greater freedom of movement as compared to another type of joints.
The distal bone can move around in a various number of axes all of which have a common center.
It is primarily present in the hip and shoulder joint of mammals.
