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Food Chains and Food Webs
Sea Urchins

How do you draw a Sea Urchins food web?

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Sea Urchins eat kelp forests, but sea otters help the forest because they eat the sea urchins.


Most of these are mammals MOST of these are mammals. MOST of these are mammals.


what place are sea turtles in the food web


Living things in a food web depend on one another. Suppose the population of one organism in a food web changes. A population is all the members of a single type of organism in an environment.Kelp ForestsWhen one population in a food web changes, all the populations in the food web can also be affected. This is what happened in the ocean's kelp forests. Kelp is a type of seaweed. Kelp forests are home to thousands of ocean creatures. Some kelp forests have been greatly changed by just one animal. That animal is a sea otter. Sea otters eat several animals in their ocean food web. They eat sea stars, sea urchins, mussels, crabs, and large fish. The kelp forests were almost destroyed when the sea-otter population changed about 200 years ago.A Sea Without Sea OttersWhat happened to the kelp forests? In the 1800s, too many sea otters were hunted for their fur. Without sea otters, fewer sea urchins were eaten. Soon, too many sea urchins were being born. Smaller fish could not survive, because sea urchins ate their supplies of kelp. These fish were food for sea stars and crabs. The sea stars and crabs began to die out.Mussels also depended on kelp to stay alive. Fewer mussels meant fewer crabs and large fish that depended on mussels for food. After a while, even decomposers could not survive. Without the sea otter to help control the size of the sea-urchin population, the kelp forests almost disappeared.In the 1900s, many countries agreed to stop hunting sea otters. The kelp-forest food web became balanced again. Now, new food-web changes are putting kelp forests in danger again.


a sea producer is a plant that lives under the sea a on land producer starts of a food web of creatures as it is eaten and it eats no animal so a sea producer would start an under sea food web


how can we draw a sample food web for a lake a food web is just a complex assortment of food chains so for a lake you could say algea-->midge larvea-->(young) white bass-->channel catfish but carp also --> white bass (-->gives energy to)


Make a list of the animals and then connect them.


what is a seahorse in the food web?


easy.think about a sea animal and what it eats. then think about what THAT animal eats


First see where the main point is than you can continue.



A food chain is a sequence of links from one species to another in a food web. Food chains show links from producer to consumer organisms. For example: aquatic vegetation ---- fish ------- seagull On the other hand a food web shows interconnections between food chains. For example: aquatic vegetation ----------- fish --- seagull or fish ----- larger fish -------- sea eagle In this food web there is a link from fish to seagull and also a link from fish to larger fish to sea eagle


the krill is the base because many sea animals eat it.


because sea turtles are important to our food web


by drawing a snak ecvlglvbc,lb,lcvb,l;gb


Sea grass is a producer. If you have a look at a food web it will show you what eats sea grass and the exact definition of a producer.


a food web for the ocean: sea algae > bacteria > krill > small fish > angler fish producer > 1st oder consumer > 2nd > 3rd > 4th


a meadow food web is a meadow food web!


A food web consists of one part of a food web. For example a food web would be: Carrot- Rabbit- Fox- Worm/ Decomposer. A food web is multiple food webs together. The multiple food chains 'web' together forming a food web.


they are not in the food web


An aquatic food web is a food web that involves marine life.


A food web is a web with linking organisums. A foodd chain is basic. A food web is way more complecated. More animals are involved with a food web.


List all the plats then draw arows to the Baltimore Chekerspot andthen draw arrows from that to "Dee" snakes and Birds. idk.... that's what i did


a food web is a bunch of food chains combined because an animal crosses over to eat another in the other food chain. for example a sea star eats mussels, so that's in one food chain, but it also eats barnacle's, that's in another food chain so you have one arrow pointing from the sea star to the mussel and another pointing to the barnacle.


Most sea otters live in the kelp forest ecosystem. Kelp and other algae species are the primary producers of this ecosystem. Sea otters eat sea urchins, abalone, other shellfish, snails, and occasionally other animals unique to a particular area. Just about all of these animals are primary consumers, meaning they eat kelp and algae (some of them are also filter feeders that filter phytoplankton out of the water). Sharks will occasionally eat sea otters, but generally only if the otters are already injured (otherwise they are pretty good at escaping). It is suspected that orcas have recently been eating Alaskan sea otters. Sea otters are a keystone species in their ecosystem, as they keep shellfish and sea urchin populations in check. Without otters, these animals tend to overpopulate and eat all of the kelp. Since everything in the kelp forest (including many kinds of fish) depends on the kelp for survival, this leads to a collapse of the entire food web. The resulting ecosystem is called an "urchin barrens," since it is generally populated almost exclusively by sea urchins and other shellfish.



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