In a food chain, with each feeding relationship, the energy transferred from one organism to another will(1 point)
Responses
decrease.
decrease.
increase.
increase.
remain constant.
remain constant.
be independent of the level.
decrease.
omnivores
a producer and multiple consumers
The correct answer is: decrease.
To determine the correct answer to this question, we need to understand the concept of energy transfer in a food chain. In a food chain, energy is transferred from one organism to another as they consume each other for sustenance.
The correct answer is: decrease.
As organisms in a food chain consume each other, energy is transferred from one organism to another. However, each transfer results in some energy loss in the form of heat, metabolic processes, and waste production. This loss of energy causes the total amount of energy available to decrease with each feeding relationship.
Therefore, as you move up the food chain, from one organism to the next (e.g., from plants to herbivores, herbivores to primary carnivores, primary carnivores to secondary carnivores), the amount of energy available to the next organism decreases. This decrease in energy transfer is due to the loss of energy at each level, leading to a pyramid-like structure in terms of energy availability and consumption in a food chain.
Most food chains normally consist of no more than (1 point)
Responses
three to five organisms.
three to five organisms.
two to three organisms.
two to three organisms.
eight to nine organisms.
eight to nine organisms.
zero to one organism.
The black bear is common to North America. Black bears eat many foods, mainly grass, roots, berries, and insects. However, fish and mammals—including those already dead—are also part of their diet. Some tend to wander near campsites and can develop a taste for human food and garbage. Given this information, which term most accurately characterizes black bears? (1 point)
Responses
omnivores
omnivores
decomposers
decomposers
producers
producers
carnivores
What is the usual composition of a food chain?(1 point)
Responses
a decomposer, some producers, and a consumer
a decomposer, some producers, and a consumer
a decomposer, a producer, and some consumers
a decomposer, a producer, and some consumers
multiple producers and a consumer
multiple producers and a consumer
a producer and multiple consumers
1: decrease.
2: THREE to FIVE organisms.
3: omnivores
4: a producer and multiple consumers
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