The correct answer is option B, that is, all living organisms are composed of one or more cells, which came from pre-existing cells.
A scientific theory refers to a well-substantiated illustration of some characteristic of the natural world, on the basis of a number of facts, which have been repeatedly confirmed via the experiment and observation. Such fact-supported theories are not hypotheses, however, are reliable explanations of the real world.
During the late 1830s, the zoologist Schwann and the botanist Schleiden were examining tissues and postulated the unified cell theory. According to the unified cell theory, all the living things comprises of one or more cells, the cell is the fundamental unit of life, and the new cells originate from the pre-existing cells.
Spilled oil can harm the habitat because of its chemical constituents being poisonous. This can affect organisms both from internal and external exposure to oil. Oil can also end the lives of some small species of fish or invertebrates, reducing birds' and mammals' ability to maintain their body temperatures.
Since most oils float, most sea creatures are heavily affected by oil. Examples include animals like sea otters and seabirds.
Most states have issued some set of regulations to follow. Environmental Protection Agency's Rescuing Wildlife<span> page gives overview information about the issue. Additionally, </span>Tri-State Bird Rescue and Research<span> website and the </span>Oiled Wildlife Care Network<span> website explain the situation elaborately. </span>
Answer:
Chemical Digestion
Explanation:
In the large intestine – the final section of the gastrointestinal tract – absorption of water and electrolytes takes place and colonic bacteria complete the process of chemical digestion.
Answer:disease preadertism and preadation
Explanation:
because of the sciency stuff
Answer: fossils are remains of dead or extinct animals/plants
