Unit 5 Test Question Preview (ID: 40787)


Adaptations And Dichotomous Keys. TEACHERS: click here for quick copy question ID numbers.

Of the following pieces of laboratory equipment, which would best facilitate the external observation of a living leaf?
a) hand lens
b) collecting net
c) stereoscope
d) microscope

While on a field investigation to observe plants in a natural setting, which of the following would be the best safety practice?
a) careful observation of surroundings
b) tasting plants
c) removing plants from nature
d) touching plants

Plant species rely on various methods of seed dispersal. Which type of seed dispersal would most likely be used by a plant whose seeds had stickers to cling onto items?
a) animal dispersal
b) wind dispersal
c) water dispersal
d) gravity dispersal

Which of the following could be a valid explanation for the differences in mouthparts among insects?
a) The mouthparts have modifications that are adapted to the insect's method of feeding.
b) The insects each have different climates in which they live, requiring a different type of feeding method.
c) The mouthparts vary depending on the insect's wing-to-body-length ratio.
d) The mouthparts are varied so that there is not competition within a single species of insects.

Chameleons are reptiles that have the ability to hide from predators and prey by blending in with their environment. They can change the pattern and/or color of their skin. This ability is known as -
a) camoflauge
b) natural selection
c) imitation
d) mimicry

Plants have different signals for attracting pollinators. It is not uncommon for the same plant to have more than one signal. Which of the following would NOT be a way in which plants attract pollinators?
a) presence of barbs
b) specific texture or pattern
c) strong scents
d) bright colors

The process of humans controlling the breeding of organisms is known as-
a) selective breeding
b) natural selection
c) manipulative reproduction
d) sheltered breeding

Organisms are more likely to survive and reproduce if they are better adapted to their environments compared to other organisms of the same species. This process is known as-
a) natural selection
b) variation
c) mutualism
d) selective breeding

Beak shape in finches is an example of-
a) adaptation
b) simulation
c) competition
d) environmentalism

Which of the following can affect the process of natural selection?
a) overproduction, competition, genetic variations
b) competition only
c) overproduction and competition
d) genetic variations and niche necessity

A desert is a biome that can have extremely harsh living conditions. Which adaptations do animals need to survive in this type of environment?
a) Animals burrow in the ground during the day, water is stored in tissues, animals are nocturnal
b) Animals burrow in the ground during the day, Animals add fur, animals are nocturnal
c) Water is stored in tissues, Animals add fur, animals are nocturnal
d) animals burrow in the ground during the day, water is stored in tissues, animals add fur, animals are nocturnal

How do gills of fish help their survival?
a) Gills allow fish to use the oxygen dissolved in the water.
b) Gills allow fish to break down water into oxygen and hydrogen.
c) Gills allow fish to breathe in air and water.
d) Gills allow fish to process energy quicker so they can move faster.

Many birds, such as the barn swallow, have hollow bones, while a few birds, such as the ostrich, have solid bones. Which best explains this adaptation that are seen in birds?
a) Hollow bones allow for a lighter body weight for flight.
b) Larger birds need solid bones to hold the weight when standing.
c) Solid bones are an advantage because hollow bones are too brittle.
d) Hollow bones allow for more space for making more red blood cells.

Stems AND leaves respond to
a) geotropism
b) gravitropism
c) autotropism
d) phototropism

The roots of a plant always show which behavior?
a) geotropism
b) autotropism
c) hydrotropism
d) phototropism

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