May End Of 2nd Semester: Question Preview (ID: 19463)

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Adaptations are the result of natural selection. Xylem tissue transports water in plants. A small finch's long, skinny beak is best for
a) picking insects out of cracks in the bark of trees b) swallowing mice whole c) breaking hard shellls of nuts and seeds d) catching large fish
The main components of the nitrogen cycle
a) include the release of oxygen by plants, and release of CO2 by animals b) are decomposers c) are evaporation, condensation, and precipitation d) increase energy flow in the atmosphere
During a strong thunderstorm, a small area of vegetation (plants) was destroyed. The cause was most likely
a) xylem b) stampeding tortoises c) a tornado d) selective breeding
a) stabilizes ecosystems b) prevents erosion c) is genetic material passed from generation to genertaion d) is a form of asexual reproduction
A ____ makes changes that allow other organisms to colonize in a developing ecosystem
a) carnivore b) pioneer species (like lichen) c) fever d) dichotomous key
The cell part that governs inherited traits is the
a) cell membrane b) chlorophyll c) xylem d) nucleus
The roots of trees
a) release carbon dioxide b) allow trees to reproduce sexually c) prevent erosion d) bend toward light
A stripe on a chromosome
a) is a gene that determines a trait b) transports water c) bends toward light d) is a pioneer species
Genes determine
a) traits b) skills c) intelligence d) all of these answers are correct
Sexual reproduction (sperm fertilizes egg) results in children that resemble their parents, but are not identical to them. Sexual reproduction
a) passes genetic material from generation to generation b) makes identical copies of organisms c) results in offspring that are uniform (all exactly the same) d) includes budding, binary fission, regeneration, runners and bulbs
In genotype Bb, the offspring will show
a) what b stands for (recessive) b) what B stands for (dominant) c) a mutation d) a mixture of what B and b stand for
Mouth or teeth shape is an adaptation which is the result of
a) natural selection b) exposure to germs c) asexual reproduction d) a fever
a hydra growing a bud is
a) sexual reproduction b) asexual reproduction c) another word for vomitting d) phototropism
When eating germs, the body will maintain homeostasis by vomiting. When germs cause an infection, the body's response is
a) sneezing, coughing, and hiccups b) sleeping c) the integumentary system releases perspiration (sweat) d) a fever
Deserts have phototropic (bends toward light) plants with waxy leaves, and
a) aquatic animals, such as the glassy-eyed sweeper fish b) warm blooded animals like monkeys, bears and the jacana bird c) animals with lots of fur to keep warm d) cold-blooded animals like snakes and lizards
Wild wolves mate through natural selection. But when an owner picks their pet dog's mate, it is
a) asexual reproduction b) selective breeding (artificial selection) c) spaying and neutering d) domestication
All ecosystems must have plants. Plants change solar energy to chemical energy while making sugar during the day. Energy flows through an ecosystem in this order:
a) sun, plants, thing that eats plants, meat eater b) meat eater, thing that east plants, sun, plants c) thing that eats plants, sun, meat eater, sun d) sun, plants, meat eater, thing that eats plants
High biodiversity means an ecosystem has many food sources to chose from (many organisms and many kinds of organisms). When biodiversity is low, animals migrate until
a) they mate and give birth b) they find a better climate c) they find food d) they die
Camouflage is an example of
a) a trait used primarily by decomposers b) how predators find prey c) a behavior d) an adaptation, which is the result of natural selection
Change over many generations is a result of
a) natural selection b) asexual reproduction c) overproduction d) migration
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