Classification Review Question Preview (ID: 56263)
Classification Unit Review.
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A biologist is studying two organisms, X and Y. She knows that at least one of them is an animal. Organism X only reproduces sexually. Organism Y reproduces both sexually and asexually. Which conclusion is best supported by the information?
a) Organism X is an animal, and organism Y is not.
b) Organism Y has the benefit of not having to find a mate.
c) Organism X has offspring that are not genetically diverse.
d) Organism Y is a heterotroph, and organism X is not.
Termites live in colonies. In a colony, the queen is responsible for reproduction. Workers care for the other termites and building the nest. Soldiers protect the nest from attacks. The organization of termite colonies is an example of
a) foraging
b) protection
c) reproduction
d) division of labor
A plant has a seed has one cotyledon, it has six flower parts, its leaves have parallel veins, its stem is herbaceous, and the vascular bundles in its stem are scattered throughout the stem. Which of the following best classifies this plant?
a) gymnosperm and dicot
b) gymnosperm and monocot
c) angiosperm and monocot
d) angiosperm and dicot
An organism has the following characteristics: cell wall, autotrophic, unicellular, and eukaryotic. What kingdom does it most likely belong in?
a) Animalia
b) Protista
c) Plantae
d) Eubacteria
Brown bears pant, which means they breathe with short, quick breaths. This helps circulate cool air over moist surfaces in the mouth. What are brown bears doing as a result of panting?
a) maintaining internal water levels by releasing moisture
b) maintaining internal water levels by taking in moisture
c) maintaining body temperature by warming up
d) maintaining body temperature by cooling down
A group of sheep run in random directions to confuse a single predator. This is an example of which social behavior?
a) migrating
b) herding
c) schooling
d) cooperative hunting
Which level of classification includes the most species?
a) kingdom
b) domain
c) genus
d) class
Some species form social groups only with members of the same gender. Ex. elephant groups with only females and offspring. When male offspring grow up, they leave the group and are solitary. What benefit does this social structure provide?
a) Females do not have to compete for a mate.
b) Male offspring can belong to more than one social group.
c) Adult males can mate with females in several different social groups.
d) Females are the only ones responsible for taking care of the offspring.
Lactobacillus acidophilus is a probiotic microorganism typically found in the human small intestine. It has a cell wall made of peptidoglycan. Which characteristic proves Lactobacillus acidophilus is from the specific kingdom Eubacteria?
a) It is multicellular.
b) It has a cell wall.
c) It is a microorganism.
d) It has peptidoglycan.
What is a function of the backbone in animals?
a) It protects against predators.
b) It regulates blood glucose.
c) It surrounds the spinal cord.
d) It limits movement.
A scientist has discovered a new plant species in the Amazon rainforest. She tells her fellow scientists that the plant she has found produces a cone. What might they say about how this plant is different from an angiosperm?
a) Its seeds have one or two cotyledons.
b) Its stems' vascular bundles are scattered.
c) It does not depend on insect pollination.
d) It is a seeded vascular plant.
Which of these gymnosperms are known to be important in maintaining the balance of carbon in an ecosystem?
a) garden flowering plants
b) ferns and liverworts
c) mosses and horsetails
d) spruce tree forests
The fossil of a plant reveals that it produced spores that were used for reproduction. Which type of plant was it?
a) seed
b) seedless
c) monocot
d) dicot
Mosses are classified as bryophytes. Which best describes mosses?
a) Mosses are seedless plants.
b) Mosses bear fruit and flowers.
c) Mosses bear flowers, but no fruit.
d) Mosses have one cotyledon in a seed.
A newly discovered tree species has cone-like structures that are covered with exposed seeds. Which plant group does it most likely belong to?
a) pteridophytes
b) gymnosperms
c) angiosperms
d) bryophytes
Your teacher is describing a plant that bears seeds and flowers, has five flower petals, and has seeds that are enclosed by fruits. What kind of plant is he describing?
a) gymnosperm
b) angiosperm
c) bryophyte
d) monocot
Which term represents animals without backbones?
a) invertebrates
b) heterotrophs
c) autotrophs
d) vertebrates
Which describes a disadvantage of social behavior?
a) Foraging could increase competition for food.
b) Mating with more than one mate could increase reproduction rates.
c) Members of the group may not have to do as much work to survive.
d) When animals form groups, it could be more difficult to distract predators.
Which statement accurately describes reproduction in animals?
a) All animals can reproduce asexually, and some can reproduce sexually.
b) All animals can reproduce sexually, and some can reproduce asexually.
c) Animals only reproduce sexually.
d) Animals only reproduce asexually.
An organism has the following characteristics: cell wall, heterotrophic, unicellular, and prokaryote. What kingdom does it belong in?
a) Animalia
b) Protista
c) Plantae
d) Eubacteria
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