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statuscvo [17]
3 years ago
5

What is the likely explanation for the rapid increase in body and brain size among homo erectus?

Biology
1 answer:
grandymaker [24]3 years ago
7 0
The rapid increase in body and brain of the homo erectus before was because of the irregularity of the Earths climate. The large brain of the homo erectus gave them a big advantage in learning new things to adapt to the changing environment.
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Is aquatic succession more like primary succession or secondary succession on land? Explain your reasoning
Lisa [10]

Answer:

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7 0
3 years ago
In direct calorimetry, a person is placed in a large, water-insulated chamber. The chamber is kept at a constant temperature. Wh
Anastaziya [24]

Answer:

Although direct calorimetry is considered to be the most precise technique for the measurement of metabolic rate, construction of such a chamber that is large enough for doing exercise physiology research (or any research for that matter) is extremely expensive and not at all mobile.

Explanation:

Direct calorimetry measures the heat production of an individual, in calories, when placed in an insulated chamber where the heat is transferred to surrounding water. This is a very accurate method of measuring energy expenditure.

5 0
4 years ago
A group of the same species of salmon lives in a stream. Which level of organization does this best describe
Fiesta28 [93]

Answer:

Population

Explanation:

  • <em><u>Population is the level of organization that describes group of the same species that lives in the same area.</u></em>
  • Other levels of organization in an ecosystem are; organism, community, ecosystem, biome.
  • An organism is an individual living thing. Community is a group of different species that live together in one area. Therefore, a community is made up of several populations.
  • Ecosystem includes all of the organisms as well as the climate, soil, water, rocks and other non-living things in an area.
3 0
3 years ago
Read 2 more answers
How do animals add carbon dioxide to the atmosphere?
uranmaximum [27]

equation of cellular respiration

C6H12O6+6O2--->6CO2+6H20

from this equation we can see that co2 is a product so the answer is C

5 0
3 years ago
Why are the testes located in the scrotum rather than inside the ventral body cavity? _______________________________
Agata [3.3K]

Answer:

The correct answer is - to provide a slightly cooler temperature.

Explanation:

The scrotum is a sac pf skin and superficial fascia that contains testes present outside of abdomopelvic cavity or ventral body cavity, hanging provides a slightly cooler temperature f at roots of penis.

Testes produces sperm, for the sperms it require to be cooler temperature than the body cavity or optimal sperm production will be hampered. Scrotum gives 3 degree temperature less than the body cavity.

Thus, the correct answer is : to provide a slightly cooler temperature.

8 0
4 years ago
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