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Questions (5)
Coyotes primarily feed on small mammals, such as rabbits, squirrels, birds, and mice. Many of these prey try to escape from
11 answers
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Which of the following is an example of natural selection?(1 point)
Responses Pesticides are sprayed in a field, resulting in an
11 answers
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Which of the following is true of a parasitic relationship?(1 point)
Responses The parasite benefits, and the host is harmed;
11 answers
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Look at the food web shown below. Which organisms get energy from producers?
(1 point) Responses squid squid zooplankton
11 answers
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In 3–5 sentences, explain why it is important to recognize bias and stereotyping as types of negative propaganda in the media
5 answers
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Answers (28)
The image below shows an aquatic food web. Which of the following describes how energy is transferred between the algae and the crustacean? (1 point) Responses The algae and the crustacean both transfer energy to each other. The algae and the crustacean
If there were no decomposers, which of the following would most likely happen?(1 point) Responses Some plants might die due to a shortage of important nutrients. Some plants might die due to a shortage of important nutrients. The amount of dead plant and
A potato plant can reproduce asexually so that one potato can often give rise to many other potatoes. Strawberry plants can reproduce sexually.A potato plant puts a large amount of its energy into growing a tuber, which is the part that humans eat. The
Many sponges can reproduce asexually. Ladybugs, on the other hand, reproduce sexually. When small bits of a sponge are broken off—often by currents or by predators—they can float to new regions and regenerate as new sponges. A ladybug must find a mate
Small differences between parents and offspring accumulate over time. This process(1 point) Responses prevents parents from being able to care for their offspring. prevents parents from being able to care for their offspring. makes it impossible for
over time, the climate of a region becomes cooler. How will this most likely affect the species living in that region?(1 point) Responses Some species that already have or that develop cold-weather adaptations through natural selection will survive, while
What genetic factor is most likely to result in the extinction of an entire species?(1 point)Responsesa lack of genetic variety in the populationa lack of genetic variety in the populationa genetic defect in a few members of the populationa genetic defect
Cheetahs are one example of a population that has very limited genetic variation.Which of the following groups of animals are most likely to have a limited variety in the genetics of their population?(1 point)Responsesanimals that live on more than one
There are approximately 200 species of mice that live all over the world. Deer mice are a particular species of mice that prefer to live in forests, prairies, and fields. It has been observed that deer mice that live in trees tend to have longer tails
Diagram 1 shows the fossilized remains of the lower portion of a camel's leg. Each subsequent diagram shows the same portion of a camel's leg, but the diagrams are from progressively later time periods. Diagram 4 shows the most recent fossil. These
Evolution is a(1 point) Responses theory because it is an explanation that is supported by extensive observations, experimentation, and reasoning. theory because it is an explanation that is supported by extensive observations, experimentation, and
Which of the following is an example of natural selection?(1 point) Responses Pesticides are sprayed in a field, resulting in an increase in crop growth and a decrease in insect population. Pesticides are sprayed in a field, resulting in an increase in
Some redwood trees reproduce both sexually and asexually. Once a tree reaches maturity, it can reproduce with another tree through pollination and fertilization. The tree then disperses thousands of seeds so that some of them might take root. However, a
Which of the following is a method of reproduction that generally occurs very rapidly?(1 point) Responses hybridizing hybridizing sexual sexual asexual asexual germination
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
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
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
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
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
The Canadian lynx is a large wild cat that lives in the cold regions of Canada. The snowshoe hare is the main prey species that is hunted by the Canadian lynx. The snowshoe hare eats grass, fern, and leaves.If the population of Canadian lynx were to
Many animals, including the brittle star and snapping shrimp, make their homes inside sea sponges. Here, the animals not only find safe shelter, but also have a constant flow of well-oxygenated water, and may even eat the substance produced by the sponges.
Relationships between organisms may be beneficial or detrimental. Which of the following examples shows a relationship in which both organisms benefit?(1 point) Responses A tick attaches itself to the skin of a dog and takes a blood meal A tick attaches
Some people have attached ear lobes and some people have free ear lobes. The differences in these traits are caused by (1 point) Responses differences in environment. differences in environment. differences in personality differences in personality
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Look at the food web shown below. Which organisms get energy from producers? (1 point) Responses squid squid zooplankton zooplankton sperm whales sperm whales phytoplankton phytoplankton
In 3–5 sentences, explain at least three questions that could be asked to determine whether news programs and documentaries are accurate and reliable sources of information.
Think about the role online media (the internet) plays in your life. In 1–2 sentences, explain two reasons why you use the internet one reason entertainment second reason for research purposes
