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Ann [662]
3 years ago
13

Which phrase describes a keystone species?

Biology
2 answers:
iVinArrow [24]3 years ago
6 0

A for you'res but for mine the answer was


Its absence would affect many organisms in the community

Drupady [299]3 years ago
3 0

The correct answer is option A

A key stone species is the most crucial part of an ecosystem and without keystone species all the food webs with in an ecosystems or its surrounding niche remains incomplete. These species may not be the most populous or powerful but are definitely important for the survival of all other species in the ecosystem. In option A, the species is considered important as it has a positive impact on all species thus in its absence the health of all species would be adversely impacted.  

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The digestive tract is essentially one long tube. Write down order of the structures
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It consists of the mouth, or oral cavity, with its teeth, for grinding the food, and its tongue, which serves to knead food and mix it with saliva; the throat, or pharynx; the esophagus; the stomach; the small intestine, consisting of the duodenum, the jejunum, and the ileum; and the large intestine, consisting of the cecum, a closed-end sac connecting with the ileum, the ascending colon, the transverse colon, the descending colon, and the sigmoid colon, which terminates in the rectum. Glands contributing digestive juices include the salivary glands, the gastric glands in the stomach lining, the pancreas, and the liver and its adjuncts—the gallbladder and bile ducts. All of these organs and glands contribute to the physical and chemical breaking down of ingested food and to the eventual elimination of nondigestible wastes.

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What are 3 properties that mitochondria and chloroplasts share with prokaryotes?
tamaranim1 [39]
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3 0
3 years ago
The perirhinal cortex is particularly important in ________ and receives more input from ________ than from ___________
dedylja [7]
The perirhinal cortex is particularly important in visual recognition and receives more input from the occipital lobe than from other cortical areas. In addition, the perirhinal cortex is a cortical region in the medial temporal lobe that is made up of Brodmann areas 35 and 36. It obtains highly administered sensory information from all sensory regions and is usually accepted to be a significant region for memory.
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3 years ago
In arteriosclerosis, overproduction of abnormal collagen and decreased quantities of elastin lead to what?
Tcecarenko [31]

In arteriosclerosis, overproduction of abnormal collagen and decreased quantities of elastin lead to Decreased coronary artery perfusion.

Arteriosclerosis is a condition in which the arteries, which transport oxygen and nutrients from the heart to the rest of the body, thicken and stiffen, often limiting blood flow to the organs and tissues. Flexible and elastic arteries indicate good health. However, the artery walls can stiffen over time, a phenomenon known as arterial hardening.

The accumulation of lipids, cholesterol, and other chemicals in and on the artery walls is known as atherosclerosis. The accumulation is known as plaque. Atherosclerosis can constrict the arteries and obstruct blood flow. The plaque may rupture and cause a blood clot.

Symptoms of arteriosclerosis:

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  • sudden numbness or weakness in the arms or legs.
  • speech slurs or speaking difficulties.
  • vision briefly lost in one eye.
  • weakened facial muscles
  • ache while walking.
  • elevated blood pressure
  • renal failure

To know more about arteriosclerosis refer to: brainly.com/question/685228

#SPJ4

4 0
1 year ago
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