Answer:
The magnetic field of Earth is caused by currents of electricity that flow in the molten core. These currents are hundreds of miles wide and flow at thousands of miles per hour as the earth rotates. The powerful magnetic field passes out through the core of the earth, passes through the crust and enters space.
Answer:
All living things breathe, eat, grow, move, reproduce and have senses. Non-living things do not eat, grow, breathe, move and reproduce. They do not have senses.
Explanation:
i hope i helped
Answer: the correct option is B (predators localized to a particular habitat
Explanation: the ecological factor that would fail to exert pressure on a species of anole lizards to evolve into new species of ecomorphs is predators localised to a particular habitat. Ecomorphs are local variety of species whose appearance is determined by its ecological environment.
Accessibility to cooling mud baths, availability of and competition for food, appropriate areas for shelter and nesting has to do with its surroundings and environment and thus affects is evolution. Hope this helps. Thanks.
Answer:
The correct answer will be true.
Explanation:
Myelin is a protective and insulating layer formed around the neurons of the central and peripheral neurons. The Schwann cells in the PNS and oligodendrocytes in the CNS form the myelin sheath around the neurons.
This myelin protects the axons of the neurons as well insulate the neurons which speed up the transmission of the electrical impulse generated in the neurons. If myelin is damaged, these impulses get slow or get damaged.
Thus, true is the correct answer.
Answer:
H.) The offspring will have the correct number of chromosomes when the sperm and egg are joined
Explanation:
This is because the sperm has 23 number of chromosomes and the egg has 23 number of chromosomes as well. When they fuse, they from 46 chromosomes.