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Ecosystems

This category is a discussion of the environment in which animals, plants, and microorganisms live, how they interact with each other and what the impact of various living entities have on the environment can be found in this section.

15,116 Questions

Which of these is an example of interaction between biotic and abiotic components of an ecosystem?

abiotic means no-living and biotic means living, or existing. Though the interaction of the ecosystem is this:

The sex between a boy or a girl in a relationship.And the Biotic is the living though abiotic components of the ecosystem.

Examples: A Boy would grow a girl gets develope in itest on the boy the get married and have a child. Then the child grows.

Qwestion: Why do the boy and girl prepared sex?

Catfish Bait - Not Necessarily Stinky?

Most anglers have at one point or another caught catfish. Widely considered fine table fare, catfish are one of the most ubiquitous fish. In fact, most giant freshwater fish are in fact catfish. The Wels catfish in Europe and the Mekong catfish of Thailand routinely grow to six feet or longer.

In North America, catfish do not get that large, but some catfish can break the 100 pound mark. More on those catfish in a moment.

Bottom fishing for catfish

Most catfish are bottom feeders. They use their sensitive whiskers and keen sense of smell to find food. This is why for many catfish anglers, the stinkier the bait, the better. The strong odor attracts the fish. Common baits include chicken liver, cut bait, worms and other fish entrails. Some anglers have their own secret recipes using almost anything to tempt the catfish to the bait.

River Catfish - Anything but bottom feeders

In large river systems, the catfish is not a bottom feeder, but a top predator. Species like the blue catfish and the flathead catfish are top predators of the river ecosystem. Catching them requires not stink bait, but live bait.

For flathead and blue catfish, the best bait to use are small live panfish, like bream and bluegills or shad, like the threadfin and gizzard. While it may seem odd to fish for bait to fish with, that is what is necessary to catch predatory catfish. That is to say unless you are a noodler.

Noodlin' - Yes, that is spelled correctly

In parts of the Southeast and as far west as Oklahoma, the flathead catfish move into shallow waters to spawn in the spring. These fish move into pockets of debris and brush. The noodler uses their own hands as bait. As they put their hands into the catfish hole, the cat swims forward and bites the hand. The noodler surfaces, catfish in hand.

Unorthodox as it may seem, noodlin' is very effective, producing fish in excess of 20 pounds on average. The real enjoyment of noodlin' comes when the prize is cooked and eaten.

So, when you think of catfish next time, do not immediately assume stinky is better, unless your noodler has not bathed in a long time.

What would happen biologically if humans changed their trophic level position?

At the moment humans can be at different trophic levels depending on what they eat. A vegetarian is at the second trophic level as s/he eats only plants. Someone who ate only grazing animals would be at the third level. If you eat a carnivore such as a tuna fish you are at the fourth level. Most of us eat both plants and animals so we don't really have a level. That said, if we all moved to a specific diet there would probably be gradual genetic changes to favour our coping with that. We see some evidence of this in isolated groups with restricted diets today.

Which level of organization includes living and no nonliving?

The level of organization that includes living and nonliving components is the ecosystem. Ecosystems consist of all living organisms (biotic factors) as well as the physical environment (abiotic factors) in which they interact.

Is primary succession faster than secondary succession?

Secondary succession is faster than primary succession because soil is already there and the soil usually contains many seeds.

Is a tortoise an heterotroph?

Yes, a tortoise is a heterotroph because it must consume food to obtain the energy it needs to survive. Tortoises are unable to produce their own food through processes like photosynthesis, so they rely on consuming other organisms for nutrition.

Which abiotic component of its ecosystem did the owl in the picture above use to build a safe nest?

The owl likely used tree branches (abiotic component) to build a safe nest in its ecosystem.

Are strawberry plants are heterotroph?

Yes, strawberry plants are heterotrophs, meaning they are unable to produce their own food through photosynthesis. Instead, they obtain nutrients and energy by absorbing organic substances from the soil.

Is True or false tundra ecosystems are located in a tropical climate zone?

False, tundra ecosystems are found in cold climates near the Arctic Circle and in high mountain regions, not in tropical climate zones.

Why Two species cannot occupy the same niche?

If two animals occupied the same niche, they would have to compete for the resource that is gained from that specific niche

What is A long-term relationship between two different species within a community?

Symbiosis. The term carries the connotation of a relationship where both species benefit, but that is actually called mutualism.

How would this impact two populations?

Gene flow would increase between the two halves, and speciation would not occur

In what type of symbiosis is does one organism benefit and the other is harmed?

Parasitism is what happens when one organism benefits and the other is harmed. For example, think of fleas on a dog. The fleas are parasites because they are benefiting from living on the dog, but the dog is being harmed by the fleas.

Why can nonnative animal populations can grow rapidly in a new ecosystems why?

Nonnative animal populations can grow rapidly in new ecosystems because they may lack natural predators or competitors in the new environment. Additionally, they may be well-suited to take advantage of the available resources and reproduce quickly, leading to an increase in their population size. This rapid growth can disrupt the balance of the ecosystem and threaten native species.

Why does a deciduous have a variety of habitats?

Deciduous trees are adaptable to a variety of habitats due to their ability to shed leaves and enter a dormant state during unfavorable conditions, such as cold winters or drought. This flexibility allows deciduous trees to thrive in diverse environments ranging from temperate forests to savannas.