Carbohydrate is the answer
Answer:
most of them require food and oxygen
Explanation:
the plants take the food from the underground and the animals take there food not from the underground but they still eat, so the need food. the oxygen ist normally, when you put plants in a place where is no oxygen they will die, the animals need oxygen too. If you put an animal in a room/place where is no oxygen they will die
Calcium levels in the body are maintained by hormones. If the blood calcium level rises above a set point, calcitonin is secreted by the thyroid gland and sets into motion responses to lower the blood calcium back to the set point. If the blood calcium level falls below a set point, the parathyroid gland secretes parathyroid hormone that sets into motion responses to raise the blood calcium. These homeostatic responses are examples of:
a. positive feedback
b. effectors
c. sensors
d. negative feedback
Answer:
d. negative feedback
Explanation:
Negative feedback responses are the ones that counteract the change. Any alterations in the internal body conditions such as blood calcium levels are sensed by receptors. The information is sent to the brain which in turn commands the effectors such as endocrine glands to secrete the required hormones to restore the normal conditions. Here, changes in the calcium levels are counteracted by the secretion of calcitonin and parathyroid hormones and the calcium is maintained within a narrow range. This represents negative feedback.
Answer:
The survival of many carnivore species, including the Iberian lynx and fox, is contingent on them getting their key prey: the rabbit (Oryctolagus cuniculus). But a Spanish-Argentinean team of researchers has investigated how the collapse of the rabbit population in the late 1980s, triggered by viral haemorrhagic disease (VHD), has adversely impacted the lives of certain carnivores in Doñana National Park, a national park and wildlife refuge in south-western Spain. The findings, published in the journal Basic and Applied Ecology, indicate that the population decline for the most part has affected the lynx; this medium-sized wildcat cannot hunt other prey.
Explanation:
Hello try this i know schools hard but this ay help you :D
Although the influence of climate change on desertification has not been fully understood yet, according to GreenFacts, it is known that higher temperatures resulting from increased carbon dioxide levels can have a negative impact through increased loss of water from soil and reduced rainfall in drylands<span>. At the same time desertification contributes to climate change by releasing to the atmosphere carbon stored in dryland vegetation and soils.
hopes it helps you
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