First Semester Test Review-2021

Which of the following statements about asexual reproduction is NOT true?

• Asexual reproduction involves only one parent.

• Budding and fragmentation are examples of asexual reproduction.

• It is the simplest form of reproduction.

• Asexual reproduction creates genetic diversity.

When organisms reproduce sexually,

• offspring are genetically identical to its parents.

• they may have a better chance of surviving in a changing environment.

• they do not need to find a mate.

• offspring contain half a set of chromosomes.

When a dominant allele and a recessive allele are inherited resulting in a mixing of colors or sizes, what has occurred?

• Incomplete dominance

• Codominance

• Multiple alleles

• Polygenic inheritance

During a plant's sporophyte stage,

• male and female gametophytes produce sex cells.

• a plant produces the spores that develop into gametophytes.

• a sperm cell unites with an egg cell to produce a new organism.

• pollen is transferred from the male reproductive structures to the female reproductive structures.

What are the reproductive structures of gymnosperms?

• pollen

• cones

• ovule

• spore

Pines, redwoods, firs, and cedars are all examples of

• angiosperms.

• gymnosperms.

• nonvascular plants.

• seedless vascular plants.

The ripened ovary and other structures of an angiosperm enclosing one or more seeds is the

• fruit.

• petals.

• sepals

• cone.

Monogamy, or staying with one mate, is an example of a

• mating system

• cooperative behavior

• defense mechanism

• fertilization strategy

A chemical released by one animal that affects the behavior of another animal of the same species is called a

• pheromone.

• hormone

• stimuli

• trait

Establishing and maintaining a territory is an example of

• competition

• communication

• mating system

• parental investment