Explanation:
The Holocene extinction, otherwise referred to as the sixth mass extinction or Anthropocene extinction, is an ongoing extinction event of species during the present Holocene epoch (with the more recent time sometimes called Anthropocene) as a result of human activity.[3][4][5] The included extinctions span numerous families of plants[6] and animals, including mammals, birds, reptiles, amphibians, fishes and invertebrates. With widespread degradation of highly biodiverse habitats such as coral reefs and rainforests, as well as other areas, the vast majority of these extinctions are thought to be undocumented, as the species are undiscovered at the time of their extinction, or no one has yet discovered their extinction. The current rate of extinction of species is estimated at 100 to 1,000 times higher than natural background extinction rates.
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One very specific way that humans caused changes in the atmospheric CO2 levels is the fossil fuels that the humans are burning is causing an increase in the CO2 levels. Other ways humans are doing this is by driving cars, deforestation, and an increased industrialization that releases CO2 into the atmosphere.
PH is a measure of how acidic something is
Answer:
sun⇒plant⇒fly⇒frog⇒snake⇒decomposer(bacteria)
sun⇒grass⇒rabbit⇒fox⇒hawk⇒decomposer(bacteria)
zooplankton⇒krill⇒small fish⇒seal⇒shark
Explanation:
Answer:
Is a form of cnidarian in which the body is shaped like an umbrella
Explanation:
The other main body-form is the polyp. Medusae vary from bell-shaped to the shape of a thin risk, scarcely convex above and only slightly concave below
