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Marta_Voda [28]
3 years ago
10

What is unique about Homo erectus compared to previous hominins?

Biology
1 answer:
DanielleElmas [232]3 years ago
8 0

Answer: c. It is the first hominin known to have migrated out of Africa.

Explanation:

The Homo erectus were the ancient humans which are considered to be over first relatives which used to have human like body shape, short arms and long legs relative to their torso. The main unique feature about these humans is that these were the first humans which migrate out of the Africa and they were the first humans who starting cooking of food for the first time.

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As a student in an environmental science class, you have been asked to explain the greenhouse effect and the problem we face, in
ser-zykov [4K]

C) The increase in greenhouse gas emissions is like placing an extra log on the fire to produce more heat.

Explanation:

The increase in greenhouse gas emission cannot be likened to placing an extra log on the fire to produce more heat.

In essence, the earth is not receiving more heat than usual from the sun. It is not getting more heated.

  • Greenhouse gases prevents heat from being lost from the earth surface as long wave radiation.
  • This in turn will warm and heat the earth surface.
  • The more the greenhouse gases, the more heat that is trapped within the earth.
  • The greenhouse gases is the cover that prevents heat from being lost.
  • Global warming is what results.
  • An increase in heating might not cause warming of the house if the house is open.
  • So also, if the earth receives more energy from the sun, the temperature might not increase if no greenhouse cover is available.

Other analogies shows heating(global warming) and cover(greenhouse gases) except of C.

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Greenhouse gases brainly.com/question/4580761

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6 0
3 years ago
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The basement membrane consists of __________ secreted by __________.
katen-ka-za [31]
<span>Proteins secreted by epithelial cells. The basement membrane forms as a thin protein fibre membrane with mucopolysaccharides. It separates an epithelium from underlying tissue. Its main function is to anchor epithelium to dermis underneath. The membrane consists of different extracellular matrix structural proteins.</span>
4 0
3 years ago
In your words, describe why an astronauts weight is different on the moon than on the earth?!?!​
JulsSmile [24]

because weight depends.upon gravity and mass but gravity on earth d differs from gravitu on moon

7 0
3 years ago
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What does cellular respiration produce?
alexandr1967 [171]

Answer: ATP

Explanation: During cellular respiration, a glucose molecule is gradually broken down into carbon dioxide and water. Along the way, some ATP is produced directly in the reactions that transform glucose. Much more ATP, however, is produced later in a process called oxidative phosphorylation. Hope this helps

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3 years ago
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Read each example and decide whether each would increase or decrease the genetic variation in the gene pool of that population.
klemol [59]

The measure of variation which exists in the genetic makeup of any particular individual within a population is genetic variation. There are several key features and advantages associated with the genetic variation as it is an important factor causing evolution allowing natural selection thus leading to increase or decrease the frequency of alleles in a population.

The other factors causing genetic variation include random mating, mutation, random fertilization and recombination during meiosis between the homologous chromosomes.

The main advantage of genetic variation is it enables the individuals to adapt to environment as well as maintaining the survival of the population.

Based on the information on genetic variation we can conclude whether there is increase or decrease in the genetic variation of the population in the gene pool.

• A zebra migrates to join a different herd of zebras- Increase

• Competition for sunlight leads to taller trees- Decrease

• The DNA of a snake changes to make its venom stronger- Increase

• A grass-fire randomly sweeps through a population of buffalo and kills most of the animals- Decrease

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