Answer:
excretory system
Explanation:
The excretory system is the system of an organism's body that performs the function of excretion, the bodily process of discharging wastes. ... There are several parts of the body that are involved in this process, such as sweat glands, the liver, the lungs and the kidney system. Every human has two kidneys.
new species will take their place
Explanation:
The frontier ethic assumes that saving endangered animal species may be considered foolish because new species will take their place. Frontier ethics suggests that the earth has an unlimited wealth of resources.
- The theory counters the sustainable ethics view to utilization of resources.
- Frontier ethics believes that if a resource becomes depleted in a part of the world, the earth will produce new ones to balance up.
- This is not economic or sustainable view to use of resources.
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The most plausible evidence that birds have evolved from dinosaurs is that the birds have the exact same bone structure as one of the dinosaur super-families, the <em>Saurischia. </em>In this group of dinosaurs we have the total same skeletal structure as in the birds, and most of the dinosaurs of this branch were bipedal, as are the birds, both flying and nonflying.
Answer:
The process where substances move from an area of higher concentration to an area of lower concentration is called Diffusion
