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How do organisms obtain energy and why do they need it?
Plants make their energy by using the sun and animals eat plants or animals or both. We can't make our own food (energy) so we have to eat others.
Why plants directly gets solar energy but not in animals?
Plants have an organelle in their cells called chloroplasts that allows them to utilize the sun's rays and make food for energy. Animals, on the other hand, do not have this organelle and therefore cannot make their own energy from the sun's rays.
What protects earth from UV rays?
Ozone (O3) which is found in the high stratosphere, has the ability to absorb UV rays which are harmful to plants and animals on earth.
What plants and animals live in the oceanic zone?
there is fish, whales, sharks, rays, seaweed, coral and etc.
Are humans the only creatures that are at risk to a greater level of UV Rays?
No they are not. Plants and animals are also at risk.
What animals and plants survived the late devonian?
The plants of the Devonian period were very small. The animals that survived were cartilaginous fish like sharks and rays. Some squid and octopus survived as well.
Depletion of the ozone layer allow more UV-A rays to reach earth's surface causing damage to plants and animals. True or false?
False. Depletion of the ozone layer allows an increase in UV-B, which damages plants and animals.
How are petals on flowers different from flowers pollinated by animals?
Animals must find and eat food, whereas plants create their own food, using the sun's rays and water.
Why is ozone harmful in troposphere?
There is normally no life that breathes in the stratosphere. In the troposphere, both plants and animals suffer when significant amounts of ozone are present.
What protects living things from to much ultraviolet light?
If it is a human then the skin protects the entering of strong ultraviolet rays. In animals its the same. In plants the other covering of the cuticle protects to plant from being exposed to these rays.
Where does string rays live?
they live in the deep blue sea where the fich are
Why do all plants and animals depend on earths atmosphere?
Because the deadly ultra violet rays from the sun would penetrate and evaporate everything on the earth.
