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Effectus [21]
2 years ago
6

What did Gregor Mendel do to study different characteristics in his genetics experiments?

Biology
1 answer:
____ [38]2 years ago
8 0

Gregor Mendel, through his work on pea plants, discovered the fundamental laws of inheritance. He deduced that genes come in pairs and are inherited as distinct units, one from each parent. Mendel tracked the segregation of parental genes and their appearance in the offspring as dominant or recessive traits.

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How do frogs utilize extensor and flexor muscles in order to swim, jump, and do other frog things efficiently; include specific
ahrayia [7]
<span>The structure of the feet and legs varies greatly among frog species, depending in part on whether they live primarily on the ground, in water, in trees or in burrows. Frogs must be able to move quickly through their environment to catch prey and escape predators, and numerous adaptations help them to do so. Most frogs are either proficient at jumping or are descended from ancestors that were, with much of the musculoskeletal morphology modified for this purpose. The tibia, fibula, and tarsals have been fused into a single, strong bone, as have the radius and ulna in the fore limbs (which must absorb the impact on landing). The metatarsals have become elongated to add to the leg length and allow the frog to push against the ground for a longer period on take-off. The illium has elongated and formed a mobile joint with the sacrum which, in specialist jumpers such as ranids and hylids, functions as an additional limb joint to further power the leaps. The tail vertebrae have fused into a urostyle which is retracted inside the pelvis. This enables the force to be transferred from the legs to the body during a leap </span>
<span>The muscular system has been similarly modified. The hind limbs of ancestral frogs presumably contained pairs of muscles which would act in opposition (one muscle to flex the knee, a different muscle to extend it), as is seen in most other limbed animals. However, in modern frogs, almost all muscles have been modified to contribute to the action of jumping, with only a few small muscles remaining to bring the limb back to the starting position and maintain posture. The muscles have also been greatly enlarged, with the main leg muscles accounting for over 17% of the total mass of the frog.</span>
7 0
3 years ago
Now you need to substantiate your position with outside evidence. Well-argued essays and speeches often mention the opinions of
Virty [35]

To write your argument first write an appropriate thesis statement, then look for reliable information to support it and include this information.

<h3>What is the purpose of an argument?</h3>

The purpose of an argumentative text is to prove the author's position.

<h3>How to write an argument?</h3>
  • Define your position about an issue and write it briefly; this would be your thesis statement. For example if the topic is pollution a possible thesis statement is "Government policie are key in reducing the city's pollution.
  • Look for reliable and credible sources to support the thesis statement. To do this make sure the information is updated and the author is credible.
  • Start writing a text that explains your position by citing the information found in the sources.
  • Continue adding ideas and roofread the text until your position is completely supported and explain.

Note: This question is incomplete because the topic you need to write about is not given; due to this, the answer is based on general knowledge.

Learn more about argument in: brainly.com/question/1305239

#SPJ1

6 0
2 years ago
Expermant laveas test strach
Vlad [161]

Answer:

Experimental Procedure:

Mix 10 drops of tincture of iodine with 30 drops of water to make an iodine solution. Put a cracker on a plate, and test it for starch using a drop of the iodine solution. Chew a second cracker for 60 seconds until it is completely mixed with saliva.

3 0
2 years ago
Select the pair of structures that best shows how plant cells are different from animal cells. A. cytoplasm and mitochondria B.
Andru [333]
The answer is B, because only plants have chloroplasts (which they use for photosynthesis) and cell walls (which protects and supports the plant cell)
4 0
3 years ago
Read 2 more answers
What is a reasonable action that provides safer water for communities?
Ulleksa [173]

Answer:

1.Improve sanitation facilities by providing toilets and latrines that flush into a sewer or safe enclosure.

2.Promote good hygiene habits through education. ...

3.Implement rainwater harvesting systems to collect and store rainwater for drinking or recharging underground aquifers.

4 0
2 years ago
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