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lapo4ka [179]
2 years ago
14

Describe the structures and functions of the digestive system

Biology
1 answer:
REY [17]2 years ago
7 0
The function of the digestive system is digestion and absorption. Digestion is the breakdown of food into small molecules, which are then absorbed into the body. The digestive system is divided into two major parts: The digestive tract (alimentary canal) is a continuous tube with two openings: the mouth and the anus.
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Which statement best describes a human influence on the biogeochemical cycles?
maksim [4K]

The statement that best describes human influence on the biogeochemical cycle is as follows: increased eutrophication caused by high levels of nitrogen and phosphorous.

<h3>What is eutrophication?</h3>

Eutrophication is the ecosystem's response to the addition of artificial or natural nutrients, mainly phosphates, through detergents, fertilizers, or sewage, to an aquatic system.

Eutrophication is one major effect of the anthropogenic activities that release inorganic nutrients such as phosphate, nitrate etc into aquatic ecosystems.

However, eutrophication has its negative impacts on biogeochemical cycle as it alters the cycling of these nutrients.

Therefore, the statement that best describes human influence on the biogeochemical cycle is as follows: increased eutrophication caused by high levels of nitrogen and phosphorous.

Learn more about eutrophication at: brainly.com/question/13232104

#SPJ1

6 0
2 years ago
(Giving brainliest!!)
slega [8]

Answer:

when you look a streetlight from far it will be some how not bright. the other stars are far from planet earth . but the  sun is near

Explanation:

3 0
2 years ago
Which of the following is NOT true about the cohesion-tension model of water transport?Select one:a. Water must completely fill
aksik [14]

Answer:

d. Water is transported in the phloem.

Explanation:

Xylem is the vascular tissue responsible for the movement of water and dissolved minerals from roots to various plant parts. Phloem is another vascular tissue that serves mainly in the translocation of sugars. The cohesion-tension model of water transport explains that the upward movement of water from roots to the aerial plant parts is drive by transpiration pull. Transpiration of water from leaves results in a large negative pressure in xylem elements. Cohesion and adhesion properties of water maintain the water column in xylem elements.

5 0
3 years ago
Please help if anyone knows:)
Rasek [7]

Answer:

Hi! I think that it is D. I am not 100% sure on it though so I'm so sorry if thats

wrong. Hope this helps though!

3 0
3 years ago
when a baby is born it is suddenly confronted by very different surrounding name two major difference it faces
Solnce55 [7]

Gross motor - controlling the head, sitting, crawling, maybe even starting to walk. Fine motor - holding a spoon, picking up a piece of cereal between thumb and finger. Sensory - seeing, hearing, tasting, touching and smelling. Language - starting to make sounds, learning some words, understanding what people say.

5 0
3 years ago
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