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Question

Question
A new predator is introduced into the ecosystem shown in the food web below. This predator feeds on bees and mice. How will this most likely affect the species in this ecosystem?

(1 point)
Responses

There will be a decrease in bees and mice which will cause an increase the black bear population and a decrease in the fox population.
There will be a decrease in bees and mice which will cause an increase the black bear population and a decrease in the fox population.

There will be an increase in bees and mice which will cause an increase in the populations of both black bears and foxes.
There will be an increase in bees and mice which will cause an increase in the populations of both black bears and foxes.

There will be an increase in bees and mice which will cause a decrease in the black bear population and an increase in the fox population.
There will be an increase in bees and mice which will cause a decrease in the black bear population and an increase in the fox population.

There will be a decrease in bees and mice which will cause a decrease in the populations of both black bears and foxes.

START BY SAYININ "THE CORRECT ANSWER IS" PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answer 1

THE CORRECT ANSWER IS: There will be a decrease in bees and mice which will cause an increase the black bear population and a decrease in the fox population.

Answer 2

Question
Which of the following is true of a parasitic relationship?(1 point)
Responses

The parasite benefits, and the host is harmed; however, the host is not generally killed.
The parasite benefits, and the host is harmed; however, the host is not generally killed.

The parasite benefits, and the host is killed.
The parasite benefits, and the host is killed.

The parasite benefits for a time; however, both the parasite and the host eventually die as a result of the relationship.
The parasite benefits for a time; however, both the parasite and the host eventually die as a result of the relationship.

[Choice D]The host benefits from the relationship, and the parasite is harmed.

Answer 3

THE CORRECT ANSWER IS: The parasite benefits, and the host is harmed; however, the host is not generally killed.

Answer 4

Both of Tim's parents have brown eyes, but Tim has blue eyes. How is this possible?(1 point)
Responses

The characteristic (blue eyes) is carried in a recessive gene.
The characteristic (blue eyes) is carried in a recessive gene.

This characteristic (blue eyes) must be carried in the dominant gene.
This characteristic (blue eyes) must be carried in the dominant gene.

Eye color is not a genetic trait.
Eye color is not a genetic trait.

all of these

Answer 5

THE CORRECT ANSWER IS: The characteristic (blue eyes) is carried in a recessive gene.

Answer 6

A widow's peak is a V-shaped area of the hairline in the center of the forehead. The allele for having a widow's peak is dominant to the allele for not having a widow's peak.If two parents do not have widow's peaks, what is the probability that their child will have a widow's peak?(1 point)
Responses

75%
75%

50%
50%

25%
25%

0

Answer 7

THE CORRECT ANSWER IS: 50%

Answer 8

An organism that contains two different alleles for a trait is said to be _______ for that trait.(1 point)
Responses

Recessive
Recessive

Heterozygous
Heterozygous

Dominant
Dominant

Homozygous

Answer 9

THE CORRECT ANSWER IS: Heterozygous

Answer 10

Which of the following is true about genes?(1 point)
Responses

Genes are responsible for all the traits of an organism.
Genes are responsible for all the traits of an organism.

In humans, genes are passed to an offspring from two parents.
In humans, genes are passed to an offspring from two parents.

Genes are made up of smaller molecules known as chromosomes.
Genes are made up of smaller molecules known as chromosomes.

The genes of a particular organism can never change throughout its lifetime.

Answer 11

THE CORRECT ANSWER IS: Genes are responsible for all the traits of an organism.