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monitta
2 years ago
13

Question is the picture 7th grade science!

Biology
1 answer:
galben [10]2 years ago
7 0
It’s the third one because if an organism dies off because it’s not evolved to match an environment that’s natural selection
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What prediction can you make about the impact of these threats on the resident populations versus the transient populations?
Mariulka [41]

Answer: A) The resident populations are more likely affected by these threats because of their proximity to shore.

Explanation:

All of these threats are higher in coastal regions.

As contaminants usually reach the ocean through rivers or because of coastal cities, the highest degree of pollution is there. All chemicals will accumulate in this region first, before they disperse into the offshore region. This is also caused by the fact that the coastal waters have a lower volume and surface area than the offshore which results in a higher degree of contamination.

6 0
3 years ago
You must draw a Punnett square and work out these problems to get the correct answers. In cats, long-hair (H) is dominant to sho
Lana71 [14]

Answer:

The correct answer is -

Genotypes: 1 heterozygous dominant: 1 recessive

Phenotypes: 1 long hair cat: 1 short hair cat

probability: 50% chances of both long and short hair cats

Explanation:

It is given that long hair is a dominant represented by H, over the short hair represented by h. In the cross of a heterozygous cat for long hair with a cat with short hair, would produce H, h and h, h gametes respectively.

Cross: Hh × hh

    H    h

h    Hh   hh

h   Hh   hh

In this Punnett, there are two heterozygous long hair offspring produced and two short-hair cats.

So, Genotypes: 1 heterozygous dominant: 1 recessive

Phenotypes: 1 long hair cat: 1 short hair cat

probability: 50% chances of both long and short hair cats

7 0
3 years ago
Elijah, a 17-year-old high school junior, is an integral part of the school soccer team. He is a good vocal artist and is part o
Svetradugi [14.3K]

Answer: Identity moratorium

Explanation:

Identity moratorium is the third identity status in Marcias theory. This identity represents a high exploration of different things or skill but low commitment to all of them. This is stage of identity crisis in youth. They have tried out different things but are not yet certain of a career type.

6 0
3 years ago
Give a fact about red blood cells
Novosadov [1.4K]

Answer:

Red blood cells (erythrocytes)

Red blood cells carry oxygen from your lungs to your tissues. They also bring carbon dioxide back to your lungs. Red blood cells make up almost half of your blood. The lifespan of a red blood cell is around 120 days

Explanation:

7 0
3 years ago
NEED HELP PLZZ ASAP
Oksanka [162]

Answer:

Make sure everyone meets criteria.

Not taking supplements( As some may contain Vit D)

No tanning beds

make sure no one has a hypoactive response to vitamin d through whatever way. Injection, capsule, spray.

Check for genetic conditions or cancers like melanoma which indirectly affect vitamin d levels

Explanation:

These are some of the main things to look out for

8 0
3 years ago
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