Life Science OST Review

Spider plants can reproduce by spawning plantlets on long, thin stems. The plantlets can be removed from the parent and placed in soil. When planted like this, the plantlet becomes a new spider plant. Select the word or phrase to complete the sentence that describes the inherited traits of the new plants grown from plantlets. _______________ of the inherited traits come from the parent plant.

• None
• Less than half
• Half
• More than half
• All

Tags

NGSS.MS-LS3-2

In which environment is white fur color an advantage for survival?

• desert
• grassland
• arctic tundra
• temperate forest

Tags

NGSS.MS-LS4-4

Paramecia usually reproduce asexually. Fish reproduce sexually. Suppose the environmental conditions in the lagoon change. What advantage will the fish population have over the paramecium population?

• Sexual reproduction produces offspring that are identical to the parents.
• Sexual reproduction decreases the genetic variability in the fish populations.
• Sexual reproduction limits the spread of harmful characteristics in fish populations.
• Sexual reproduction allows populations to adapt to new conditions over fewer generations.

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

The reproductive success of an organism depends in part on the ability of the organism to survive. How does the physical appearance of these organisms help them survive?

• Their physical appearance helps them find a habitat.
• Their physical appearance helps them resist parasites.
• Their physical appearance helps them avoid predators.
• Their physical appearance helps them defend a territory.

Aphids are a common plant-pest insect. They alternate between asexual and sexual reproduction. During the summer, aphid populations grow quickly by asexual reproduction. As winter approaches, aphids switch to sexual reproduction. What advantage does the switch to sexual reproduction give the aphids?

• Sexual reproduction maintains a constant level of variation in the population and requires less energy.
• Sexual reproduction decreases variation in the population and prevents the spread of harmful mutations.
• Sexual reproduction increases variation in the population and provides for adaptability in a changing environment.
• Sexual reproduction produces individuals that are clones and allows rapid population growth under stable environmental conditions.

Tags

NGSS.MS-LS3-2

NGSS.MS-LS4-4

Which statement gives an example of asexual reproduction?

• A new potato plant grows from a potato.
• Two worms mate and produce more worms.
• An apple seed is produced from pollinated flowers.
• Butterflies have genetic information from both parents.

Tags

NGSS.MS-LS3-2

Some plants can reproduce by sprouting new plants from their roots. Which statement describes a disadvantage of this type of reproduction?

• The new plants lack genetic variety
• Each new plant can reproduce only once
• The new plants are poorly adapted to the environment
• Each new plant develops different characteristics quickly

Tags

NGSS.MS-LS3-2

Aphids are small insects that feed on plants and can reproduce sexually and asexually. Which statement describes an advantage of asexual reproduction of aphids?

• Offspring are more rapidly reproduced
• Diversity is increased in the population
• Offspring are genetically different from the parent
• Genetic information is passed from both parents to offspring

Tags

NGSS.MS-LS3-2

Some organisms reproduce asexually. Bacteria in soil is an example. Select the two statements that describe and advantage of asexual reproduction.

• Two parents are needed.
• Only one parent is required.
• Sex cells are formed by meiosis.
• Offspring have identical successful traits.
• Genetically diverse offspring are produced.

Tags

NGSS.MS-LS3-2

The diagram shows a pedigree for a recessive inherited trait. If H represents the dominant allele and h represents the recessive allele, what are the genotypes of the parents shown in the pedigree?

• Hh and Hh
• hh and hh
• HH and HH
• Hh and HH

Tags

NGSS.HS-LS3-1