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vichka [17]
3 years ago
8

Areas undisturbed by people were first regulated in 1964. What law covers these areas?

Biology
2 answers:
Mashcka [7]3 years ago
5 0
The wilderness act of 1964 established the national wilderness preservation system and in it. Your answer is C
Ksju [112]3 years ago
3 0

Answer:

C)

US Wilderness Act

Explanation:

took the test and got it right!

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True or false?
Blababa [14]

Answer:

False

Explanation:

the object will float if the force of water (buoyancy )is greater than the objectives weight

3 0
3 years ago
Q:- In dogs, the Mexican hairless phenotype never breeds true. When Mexican hairless are interbred the offspring are 2/3 hairles
drek231 [11]

Explanation:

The problem says that the hairless phenotype never breeds true. That means that it's not the result of a homozygous genotype (H₁H₁ or H₂H₂), so it is caused by the heterozygous genotype (H₁H₂).

The <u>expected </u>offspring from the cross between two Mexican hairless would be:

<h3>P                 H₁H₂  x  H₁H₂</h3><h3>F1    1/4 H₁H₁,  2/4 H₁H₂ and 1/4 H₂H₂.</h3>

And the <u>expected</u> phenotypic ratio 3:1. However, the observed offspring shows a 2:1 ratio. What's happening?

If the observed phenotypic ratio in the offspring of a monohybrid cross (a single gene with two alleles) is 2:1, we can suspect that one of the genotypes is lethal in homozygosis and therefore does not appear in the progeny (the puppies are born dead).

If we proposed that the H₂ allele is lethal in homozygosis, then:

  • The H₁H₁ genotype would cause normal puppies --> 1
  • The H₁H₂ genotype would cause hairless puppies --> 2
  • The H₂H₂ is lethal and causes the death of puppies --> 0

The phenotypic ratios change to 2:1, as observed in the experiment.

7 0
3 years ago
An ecosystem is composed of only one community. true or false.
UNO [17]
False This Should help u

6 0
3 years ago
Regulation slowly happens but produces long-lasting effects, whereas _____ regulation quickly takes place with short-term effect
vazorg [7]

Endocrine system regulation slowly happens but produces long-lasting effects, whereas nervous system regulation quickly takes place with short-term effects.

Endocrine system can regulate many things in the body that control the metabolism. The effect shouldn't be instant, but it should be good for long term effect. Nervous system need a much faster reaction because it responsible for "fight or flight" reaction. A slow nervous system will cause the organism caught by predator easier.

4 0
3 years ago
Carbon gets transferred from plants to animals when the plants are____ by animals. What word completes this sentence
topjm [15]
The word that completes the sentence is
3 0
3 years ago
Read 2 more answers
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