Compare cellular respiration and photosynthesis in terms of energy and matter

Biology

1 answer:

Shalnov [3]3 years ago

4 0

Photosynthesis and respiration are reactions that complement each other in the environment.

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How do astronomers know that dark matter exists?

Whitepunk [10]

Answer:

C. Because it's gravity affects the motion of objects around it.

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3 years ago

What structures help the hummingbird pollinate the sticky monkeyflower

maria [59]

Because humming birds have long beaks, this structure allows them to feed any size flowers whether it’s deep or shallow. when it inserts it’s beak into a flower to drink nectar, the sticky pollen grains from the monkeyflower will cling to the sides of its beak. hope this helps!!

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When carbon is in the atmosphere, it’s usually in the form of molecules of ..., which is a ....

Lorico [155]

Answer:

Carbon Dioxide / Gas

Explanation:

When carbon is in the atmosphere it is usually in the form of molecules of carbon dioxide that is released by living organisms such as humans, plants, animals etc and it is a gas.

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3 years ago

How are these Tissues protected?

Tom [10]

Answer:

The cells of the body's surface form the outer layer of skin. Inside the body, epithelial cells form the lining of the mouth and alimentary canal and protect these organs. Epithelial tissues help in absorption of water and nutrients

The brain is protected by the bones of the skull and by a covering of three thin membranes called meninges. The brain is also cushioned and protected by cerebrospinal fluid. This watery fluid is produced by special cells in the four hollow spaces in the brain, called ventricles.

Explanation:

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How do the thyroid and parathyroid from a feedback loop?

shtirl [24]

Explanation:

When calcium levels in the blood become too low, parathyroid hormone leads to an increase in calcium by degrading bone. In response, calcitonin from the thyroid is released when the levels are high again, to decrease calcium levels in the blood.

Further Explanation:

During homeostasis the body maintains a constant internal balance in pH, temperature, blood pressure etc. Cells in a multicellular organism become specialized for particular tasks and communicate with one another in order to maintain homeostasis. Within the human body these are known as hormone cascades, where several complex steps occur- the tissues signal to one another with the use of hormones released by the endocrine system. The regulation (increase and decrease) of these secretions is achieved by negative feedback loops, where the release of certain substances during a cascade in turn halts the secretion of hormones at earlier stages.

In the body calcium homeostasis, which is generally defined as the maintenance of specific internal conditions, is mediated by the endocrine system through hormonal control. This regulates the calcium flux between the bloodstream and the bone; and the hormones responsible, change the ratio of osteoclast activity to osteoblast activity -osteoblasts build bone while osteoclasts breakdown or degrade bone.

Hormones responsible include calcitonin (from special parafollicular cells in the thyroid gland), calcitriol (activated vitamin D) and the parathyroid hormone (from the parathyroid glands). These affect the absorption of calcium from the gut, or kidney reabsorption; both parathyroid hormone and calcitriol act by causing the increase of calcium ions into the bloodstream as the bone is degraded by osteoclasts.

Learn more about tissue types at brainly.com/question/8487952

Learn more about homeostasis at brainly.com/question/1601808

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