Answer:
A food chain is very simple, while a food web is very complex and consists of a number of food chains. In a food chain, each organism has only one consumer or producer. For example, a deer eats grass and a tiger eat the deer. In a food web, a consumer may eat a number of different producers.A food web consists of many food chains. A food chain only follows just one path as animals find food. eg: A hawk eats a snake, which has eaten a frog, which has eaten a grasshopper, which has eaten grass. A food web shows the many different paths plants and animals are connected.A food chain only follows just one path as animals find food. A food web shows the many different paths plants and animals are connected. A food web is several food chains connected together. Food chains always begin with a plant and end with an animal.Webs are more realistic than food chains, in that food chains show just a single feeding pattern. Each organism has a single role in the ecosystem. In reality, animals can have more than one food source, and the relationships between different organisms are much more complex.
Hope that was helpful.Thank you!!!
Answer:
The differences in gravity, craters on the moon and unknown materials.
Explanation:
These would all be helpful to consider.
i believe the answer is "A fundamental role". hope this helps.
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Answer:
Explanation:
Green crabs have chemoreceptors located on an <em>antenna</em>.
These are long segmented appendages near the crab´s eyes that have both chemoreceptors and allow them to feel the surroundings.
Crabs also have antennules, like short appendages close to the antennas that allow them to <em>sense</em> their environment. A crab can "taste" using hairs on their mouthparts, pincers and even its feet.
So they can detect the salinity of the water by "taste" using the antennules. If these antennules are bathed with nonsalty water, the information the crab´s brain receives is to increase the salinity of its body by the system explained above, increasing its rate of urine production.
I hope it helps!
