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valentinak56 [21]
3 years ago
7

When does a baby's umbilical cord fall off?

Biology
1 answer:
gogolik [260]3 years ago
3 0
Usually after 2-4 days it's born
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A cousin who has been traveling overseas sneaks a plant through customs (who help along with the USDA, help to prevent invasive
Reil [10]

Answer and Explanation:

Invasive species are not native to an ecosystem/environment to which they've been introduced, which can cause disastrous disruptions to various food chains/webs and other native species' populations.

In this case, your cousin is bringing in a plant from overseas, so it clearly will be an invasive plant. You can tell them the following:

- this plant may take over the feeding source of native plants, causing those populations to decrease drastically or possibly even be wiped out

- secondary consumers that had once relied on those native plants for food energy will now have limited resources, competition will increase, and these consumers may begin to die off

- tertiary consumers that consumed these secondary consumers will begin to die off, as well

- this chain reaction will ripple through the entire food chain and food web, and totally disrupt the existing ecosystem

Thus, your cousin shouldn't plant this organism in their backyard and should instead destroy it.

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3 years ago
How are mitosis and binary fission similar?
Ket [755]
I think that the answer is C.
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3 years ago
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On Christmas morning, 3-year-old Billy opens a gift from his mother and finds a new sweater. Disappointed that it is not a toy,
maw [93]

Answer: egocentric thought

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he is only thinking of his self

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A couple has two children, one with brown hair and blue eyes and one with brown hair and brown eyes. The fact that the children
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Red blood cells,carrying dioxide(a waste product of cellular respiration) travel in the blood vessel to the lung; to get rid of
alexandr1967 [171]

Answer:

True.

Explanation:

Red blood cells or erythrocytes carry oxygen to the cells of the body so that they can have energy and function properly. This is not the only function of red blood cells. Also, they carry dioxide, which is a waste product that needs to be out of our body. Erythrocytes carry the dioxide to the lungs, specifically to the alveoli. In the alveoli due to the inhalation, oxygen enters our body traveling up to the lungs, specifically to the alveoli, where thanks to the thin wall of it as well as the one on the capillaries that are in contact with it, the dioxide enters the lungs to be expelled in the exhalation, and the oxygen is taken by the red blood cells to be used in the cellular respiration and generate energy to keep the vital functions of our body.

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