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spayn [35]
3 years ago
9

3. Which part of the human eye is sensitive to light?

Biology
1 answer:
STALIN [3.7K]3 years ago
6 0
The retina is sensitive to light.
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What is the significance of chitin in arthropods?
viva [34]
I remember answering this question. The answer would be Option B. Chitin, in arthropods, is a structural carbohydrate that forms their exoskeleton. It is a long chain of  polymer of an N-acetylglucosamine. Hope this answers the question.\
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Please mark brainliest
7 0
3 years ago
Read 2 more answers
which techniques have farmers used for centuries to produce animals more suitable to their needs? A.genetic engineering B.select
s2008m [1.1K]

Answer:

B

Explanation:

This involves selectively breeding two or more populations of a species or subspecies with desirable traits that are wanted by the humans. The offspring of the populations will bear the desired traits from the population. Breeding can be done over generations. An example is the breeding a cattle population that is resistant to drought and another that produces more milk. The filial generations will bear both traits.

7 0
3 years ago
What are the parts of animal and find their function. ​
REY [17]

Answer:

<h2>⚪parts of animals are:</h2>

tail,claws,wings, beak ,fur , fins, she'll, feather.

<h2>⚪function of animal parts</h2>

<h3>tail:</h3>

Many land animals use their tails to brush away flies and other biting insects. Some species, including cats and kangaroos, use their tails for balance; and some, such as monkeys and opossums, have what are known as prehensile tails, which are adapted to allow them to grasp tree branches.

<h3>claws:</h3>

Claws may be adapted for scratching, clutching, digging, or climbing. By analogy, the appendages of other lower animals are frequently called claws. The claw's shape is ordinarily suited to the food-getting habit of the animal.

<h3>wing:</h3>

Wing, in zoology, one of the paired structures by means of which certain animals propel themselves in the air. ... The primary flight feathers on the distal portion of the wing create most of the propelling force in flight, while on the less mobile upper wing the secondaries provide the greater portion of the lift.

<h2>beak:</h2>

All birds have one beak. But it has evolved differently in each species to improve its functions in response to its environment. These functions include feeding themselves and their young, defending themselves, grooming their feathers, mating, regulating their body temperature or building nests.

<h3>fur:</h3>

Fur is a thick growth of hair that covers the skin of many different animals, particularly mammals. ... The fur of mammals has many uses: protection, sensory purposes, waterproofing, and camouflaging, with the primary usage being thermoregulation.

<h3>fins:</h3>

Fins typically function as foils that produce lift or thrust, or provide the ability to steer or stabilize motion while traveling in water, air, or other fluids. ... Fish, and other aquatic animals such as cetaceans, actively propel and steer themselves with pectoral and tail fins

<h3>shell:</h3>

Turtles and tortoises are some of the best-known shell-dwelling creatures. The difference between them is that tortoises live on land while turtles prefer the water

<h3>feather:</h3>

Feather Function: What do feathers do? Each feather on a bird's body is a finely tuned structure that serves an important role in the bird's activities. Feathers allow birds to fly, but they also help them show off, blend in, stay warm, and keep dry.

Explanation:

<h2>hope it helps you</h2><h2>please mark me brainliest</h2>
8 0
3 years ago
An ecologist observes a wolf catch and eat a rabbit. This is an example of
Juli2301 [7.4K]

Answer:

Predation is the answer

Explanation:

Predation is the act of an animal killing or attacking another animal for the predator's benefit

8 0
3 years ago
The functions of brain structures are explored by selectively removing them.<br> O True<br> O False
Natali [406]

Answer:

True

Please mark brainliest

Explanation:

The correct answer to the given question is True.

The brain is a complicated part of the body and it is explored by removing the selected parts to find more parts to be explored. So the answer to the given question is true. While performing an autopsy the brain is explored by selectively removing some parts.

Please mark Brainliest.

4 0
3 years ago
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