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Over [174]
3 years ago
7

Which of these scientists is best known for his idea that characteristics an individual gains in its lifetime could be passed on

to future generations, eventually leading to the creation of new species?
A)
Darwin
B)
Lamarck
C)
Linnaeus
D)
Mendel
Biology
1 answer:
Anna [14]3 years ago
8 0
This was Lamarck's idea. Here's an example: Suppose giraffes originally had short necks that they stretched to reach high-up leaves in the trees. This continuous stretching of the neck was passed onto offspring, who as a result had slightly longer necks. This continued for multiple generations until we get today's long-necked giraffe. Lamarck was on to something (that something being evolution by natural selection, which Darwin discovered), but his theory wasn't completely correct since organisms can only pass on genes (segments of DNA that code for a characteristic or function) to their offspring. Since "stretching" would not code into DNA, it wouldn't be passed onto offspring, proving Lamarck's theory incorrect.
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2 Points
alina1380 [7]

Answer:

The answer is:

B. Worms consuming the blood from mammals.

Algae isn't causing any harm to the sloth, rather its providing it with camouflage to hide from predators. Both creatures benefits since the algae gets to eat any parasites and other things in the sloths fur, plus they get a free ride and home in the process. The sloth isn't harmed and is helped by the algae since it provides camouflage (mutualism).

Tree frogs aren't causing harm to the trees since they are only using them to hide from predators, the tree serves as protection for the frogs and aren't harmed in the process (commensalism).

Two fish protecting each other from predators aren't harming each other in any way, rather they are protecting each other from another animal that wants to eat them (mutualism).

The worms however are harming the mammals because they are consuming the mammals blood, this is parasitism since one animal is benefiting and the other is harmed.

Hope this helps! :)

8 0
3 years ago
What would be the independent variable in the following hypothesis?
Tamiku [17]
The independent variable in the hypothesis of an observed increased in sea turtle sickness once an increase in red tide can be seen would be the increase of red tide. 

The reason for this is that red tide increases or decreases will happen independently of the amount of sea turtle sickness - therefore increasing sea turtle sickness will be dependent on the first variable. (independent one).
7 0
3 years ago
Plz i need help!!! List three factors that help form global winds.
guajiro [1.7K]

Answer:

Global winds are affected by convection current, pressure gradients, the Coriolis effect, and friction.

Explanation:

6 0
3 years ago
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Paraphin [41]

Answer:

20% in mitosis

80% in interphase

to be more exact it spends 78% in interphase and 22% in mitosis :)

3 0
2 years ago
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mihalych1998 [28]

Answer:

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Explanation:

hope this helps

4 0
2 years ago
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