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lana66690 [7]
4 years ago
8

Scientists believe that Homo neanderthalensis appeared about

Biology
1 answer:
givi [52]4 years ago
4 0

Answer:

a. 200,000 years ago.

Explanation:

Scientists believe that Homo neanderthalensis appeared about 200,000 years ago. The name Homo neanderthalensis was given to them because first evidence of their existence was found in Germany near Neander Tal. Their period of existence is part of the Pleistocene period and they are considered as the immediate ancestors of modern humans (Homo Sapiens).

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Climate does not effect the rate in which weathering can occur. true or false
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This statement is false. Climate does affect the rate which weathering will occur.  Weathering will occur when there is a physical or chemical process to the landscape. Freezing and thawing will turn minerals, like silicate, into clay. When the weather is hot it causes faster chemical weathering than it would in say colder locations. Rocks will also break down faster in a wet climate. So, climate can effect the rate of weathering. 
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3 years ago
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Which of the following is a true statement about sexual vs. asexual reproduction? A. Asexual reproduction, but not sexual reprod
Afina-wow [57]

The correct answer is: B. In sexual reproduction, individuals transmit half of their nuclear genes to each of their offspring.

The main difference between sexual and asexual reproduction is that in sexual reproduction genetic material from two parents is combined, while in asexual reproduction produced offspring is genetically identical to the one parent. So, advantage of sexual reproduction is that produced unique organisms contribute to genetic diversity (variation is formed). But, comparing to asexual reproduction, sexual reproduction requires more energy and lasts longer.

Asexual reproduction is found in lower organisms and can be in different forms: budding, vegetative reproduction, fragmentation, spore formation.

3 0
3 years ago
What organelle has the same function like a waste disposal plant
Iteru [2.4K]

Answer:

Lysosomes are the cell organelle having same function like waste disposal in plants.

Explanation:

Lysosomes are the organelle that destroys the damaged organelles inside the cell. And acts as same function like waste management. It is present in both plants as well as animals. The opposite to it or the construction one is ribosome. In lysosomes it has certain enzymes as well as acids that helps in digestion of damaged cell materials, and also in recycling it. Not only are the cellular waste it may be some old or torn out cells. It acts as a cellular stomach. They are generally fluid filled sacs.

5 0
3 years ago
Explain why the formation of abscission layer causes sugar to accumulate in leaves.
kramer
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harina [27]
Consumption of food
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