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zloy xaker [14]
3 years ago
7

During which period of Earth's history did four-legged animals appear on land?

Biology
2 answers:
sasho [114]3 years ago
6 0
Yep it was the dinosaur age like Alligators
mario62 [17]3 years ago
5 0

Answer:

The dinasaur age

Explanation:

ROOOAARRR

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Which of the following is an important part of scientific methods? Select all correct answers.
timofeeve [1]

Answer:

Making a hypotheses and performing experiments

I Hope this helps you uwu

Explanation:

7 0
3 years ago
In guinea pigs, the color of the fur is determined by a single gene with two alleles control. The brown allele (B) is dominant o
Kipish [7]

Answer:

See

Explanation:

Given:

Brown allele (B) is dominant over the white allele (b).

It will be assumed that the alleles are not related to the X and Y chromosomes.

See attached diagram for details of the general case (for both homo-zygous and hetero-zygous parents)

For both parents hetero-zygous,

P1:

Genotype: Bb (100%)

Phenotype: brown (100%)

F1:

Genotypes : BB, Bb, bB and bb in equal proportions, i.e.

BB (25%), Bb (50%), bb (25%)

Phenotypes: 75% brown (from BB and Bb), 25% white (from bb)

8 0
3 years ago
Any technological application using living things or living systems is called __
aniked [119]

Answer:

Any technological application using living things or living systems is called Biotechnology.

Explanation:

It is essentially genetic engineering which involves technological applications of living things.

5 0
3 years ago
An individual with an uncertain vaccine history has been brought to the emergency room after receiving severe lacerations in an
Blababa [14]

Answer:

E) The tetanus immune globulin provides immediate, short-term protection, and the tetanus vaccine provides long-term protection.

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Basically, immunization is very important and necessary to protect the person from diseases.

In the above scenario, individual who is injured with severe lacerations does not have any history of previous tetanus vaccination. Because vaccination is for long term protection but it also take time to produce antibodies in an individual. Individual is injured and can have risk of tetanus.

So, along with vaccine we will administered the tetanus immune globulin to provide immediate, short term protection against tetanus.

6 0
3 years ago
Darwin hypothesized that new species could appear gradually through small changes in an ancestral species. Which observation tha
Crazy boy [7]
He is correct the answer would be C. The finches all appeared to be related but differed from the mainland population.
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3 years ago
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