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Maksim231197 [3]
3 years ago
9

What are three conditions under which a reptile might redirect blood away from its lungs?

Biology
1 answer:
77julia77 [94]3 years ago
4 0
If my answer is correct, the conditions to which a reptile would be able to redirect blood is with the pressure of their lungs. This simple cardiac pump action enables the heart to force blood to other parts of the body. 

Thank you for your question. Please don't hesitate to ask in Brainly your queries. 
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In pea plants, purple flowers are dominant to white flowers, and the purple and white alleles are represented with P and p, resp
amm1812

Answer: 75% of the plants are purple and 25% are white. The phenotypic ratio can be expressed as 3:1.

Explanation:

Heterozygous means that its genotype has two distinct alleles, i.e. a dominant and a recessive one. So the genotype of the plants is Pp, and each plant has two alleles since<u> they are diploid organisms, which have two copies of each gene. </u>

<u>Each plant produces gametes, which are haploids cells. That is, they only have one copy of each gene (one allele)</u>. So, the gametes produced by Pp have a P or p genotype.  During fertilization, the maternal and paternal gamete are fused to form a diploid zygote where their genotype will have one allele from the father and one from the mother.

By making this monohybrid cross, we cross the gametes of each parent in the punnett square (see picture)

In the offspring, we see one PP genotype (homozygous dominant), two Pp genotypes (heterozygous) and one pp genotype (homozygous recessive). <u>Since we know the P allele is dominant and it codes for purple color, a genotype only needs one P allele to express that phenotype</u>. So Pp and PP organisms are purple, and only pp is white. That means 75% of the plants are purple and 25% are white. The phenotypic ratio can be expressed as 3:1.

4 0
3 years ago
Animals in phylum Arthropoda generally have these characteristics in common.
umka21 [38]

Answer:

Chitinous exoskeleton and segmented bodies​.

Explanation:

Phylum Arthropoda are known as jointed legs species which include crabs, spiders, ants, etc. The important characteristic of Arthropoda is they have a hard chitinous exoskeleton that provides them protection and gives flexibility. These phylum species can survive in both terrestrial and marine habitats. Some characteristics of phylum Arthropoda are given below:

1) They have Chitinous exoskeleton which is hardened.

2) Their digestive tract is present at opposite ends of the body and complete with the mouth and anus.

3) They contain jointed limbs.

4) The body structure of these species is showing bilateral symmetry.

5 0
3 years ago
Movement and balance are monitored by activity in the _______. A) cerebrum
Ivan

Movement and balance are monitored by activity in the cerebellum.

<h3>What is meant by the cerebellum?</h3>

The cerebellum, also known as the "little brain" because it resembles a miniature cerebrum, is in charge of balance, movement, and coordination. The pons and medulla, along with the midbrain, are commonly referred to as the brainstem. The brainstem receives, sends, and coordinates messages from the brain.

The cerebellum is the area of the brain in charge of coordinating voluntary movements. It is also in charge of a variety of functions, including motor skills like balance, coordination, and posture.

The cerebellum is important for maintaining balance by making postural adjustments. It modulates commands to motor neurons based on input from vestibular receptors and proprioceptors to compensate for changes in body position or muscle load.

Therefore, the correct answer is option B) cerebellum.

To learn more about the cerebellum refer to:

brainly.com/question/5318535

#SPJ4

3 0
1 year ago
BRAINLIEST TO THE FIRST PLS! HELP :((
Reika [66]

Answer:

1. silent mutation

2.nonsense mutation

Explanation:

I hope this helps.

8 0
2 years ago
Read 2 more answers
Explain why toxic chemicals are classified as Hazard​
Westkost [7]

Answer:

The reason why toxic chemicals are classified as hazard because they can do as much damage as hazard things and can cause a serious of problems to one's health, for something to be hazard it can be flammable, and toxic chemicals are just that.

6 0
3 years ago
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