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elena-s [515]
2 years ago
10

PLZZZ HELP MEEEE

Biology
1 answer:
sineoko [7]2 years ago
3 0

Answer:

Hello!!

1. Which of the following are in the correct order from least complex to most complex?

A. molecule-atom-tissue-cell-organ-system

B. cell-tissue-molecule-organ-atom-system

C. cell-tissue-organ-atom-molecule-system

<u>D. atom-molecule-cell-tissue-organ-system</u>

2. Which system consists of the kidneys, ureters, urinary bladder, and urethra?

A. digestive

B. endocrine

C. respiratory

<u>D. urinary</u>

<u></u>

3. What is the name for the material that goes from the glomerulus into Bowman's capsule of the nephron?

A. solvent

B. solute

<u>C. filtrate</u>

D. urine

4. What is the name for the process by which water and nutrients are moved from the nephron to the blood?

A. tubular filtration

<u>B. tubular reabsorption</u>

C. tubular secretion

D. tubular flow

5. What is the name for the capillaries that are surrounded by Bowman's capsule in the nephron?

A. alveolus

<u>B. glomerulus</u>

C. collecting duct

D. urethra

6. Which of the following should not be present in the filtrate in Bowman's capsule?

<u>A. proteins</u>

B. water

C. salts

D. glucose

7. What are the tubes that carry urine from the kidneys to the urinary bladder?

A. collecting ducts

<u>B. ureters</u>

C. urethras

D. nephrons

8. What is the main nitrogenous waste product that is eliminated in the human urine?

A. ammonia

B. water

<u>C. urea</u>

D. uric acid

Hope this helps!!

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The evolution of the animals, or rather the development of adaptive features, works in very interesting manner. It is very common in nature that animals that are closely related do not share similar characteristics, or the opposite, animals that are not closely related but share similar characteristics. The later case, is referred to as convergent evolution, where totally different animals have developed the same or very similar characteristics in order to be better suited for their environment.

In this case we have the ducks and frogs, and the webbed feet as shared adaptations, or feature. The ducks are birds, while the frogs are amphibians, and their last common ancestor has lived hundreds of millions of years ago. Despite that, both animals have developed webbed feet, and the reason for this has been that both animals have faced the same challenge, swimming and diving, and the webbed feet help them to be much faster and more agile in the water.

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