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suter [353]
3 years ago
8

What is reflex movements

Biology
1 answer:
zmey [24]3 years ago
4 0
A reflex, or reflex action, is an involuntary and nearly instantaneous movement in response to a stimulus. ... The reflex is then an automatic response to a stimulus that does not receive or need conscious thought.
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2. Humans, just like all other living organisms, have evolved over time. Explain how scientists
natta225 [31]

Answer:

A. fossils of archaic humans show we have evolved through the differences in bone structure. Humans used to look a lot like chimps, and through fossils we can see differences in our skull shape and size, differences in the amount of body hair we had, and through vestigial bones like wisdom teeth, which we do not need anymore today. Wisdom teeth were likely used to chew raw meat, which we do not do anymore.

C. Chimpanzees are our closest living relatives on the planet, with 99% of our DNA being the same.

Explanation:

Sorry the first one is lengthy, I don't know how long it should be but I hope that helped

5 0
3 years ago
The alerting system is part of the reticular activating system. It consists of the brain nucleus known as _________ and its proj
bekas [8.4K]

Answer:

The answer is A.

Explanation:

The alerting system which is a part of the reticular activating system that provides the consciousness for us using the connections between the brain stem, cerebrum etc. consists of Locus Coeruleus which are nucleus located in the brain that responds to psychological stimuli such as panic, stress or discomfort. So the answer is A.

I hope this answer helps.

7 0
3 years ago
the german physician robert koch provided evidence to support the germ theory of infectious disease. koch isolated bacteria from
densk [106]

He did this by experiment with anthrax. Using a microscope, Koch analysed the blood of cows that had failed of anthrax. He marked rod-shaped bacteria and supposed they caused anthrax.

<h3>What does anthrax do to a human?</h3>

Anthrax induces skin, lung, and bowel disease and can be fatal. Anthrax is analysed using bacterial cultures from infected tissues.

There are 04 kinds of anthrax: cutaneous, inhalation, gastrointestinal, and injection.

Anthrax is cured by antibiotics.

Thus,  He kept rod-shaped bacteria and supposed they caused anthrax.

To learn more about anthrax click here:

brainly.com/question/14097765

#SPJ4

7 0
2 years ago
What use one reason the air in cities is often polluted
lana66690 [7]

cars are generally older

7 0
4 years ago
The symbols , -, and 0 are to be used to show the results of interactions between individuals and groups of individuals. The sym
ad-work [718]

Answer:

The correct answer is option A) "+/+".

Explanation:

Cellulose-digesting organisms in the gut of a termite and the termite itself have a positive interaction among them. The interaction among these organisms is classified as a symbiotic interaction because both organisms are benefited from it. Cellulose-digesting organisms in the gut of a termite obtain food and protection from the termite, and in return the termite is able to digest the cellulose of wood, its main source of food.

3 0
3 years ago
Read 2 more answers
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