Patterns of Reproduction
Asexual Reproduction is different from sexual reproduction in that the offspring of asexual reproduction...
a. are identical to the parent
b. contain half the chromosomes of the parent
c. have no genetic material
d. have more variety in their traits
a. are identical to the parent
A maple tree produces male and female flowers. Which term best describes the maple?
a. gymnosperm
b. angiosperm
c. sporophyte
d. non-vascular
b. angiosperm
Which statement about fertilization strategies is true?
a. internal fertilization mostly occurs in fish and amphibians
b. internal fertilization results in eggs that develop outside the female's body
c. external fertilization is common for animals that live in water
d. external fertilization occurs in all land animals
c. external fertilization is common for animals that live in water
What does an insect such as a butterfly go through as it grows and develops into an adult?
metamorphosis
What is a zygote?
a fertilized egg, produced by the joining of a sperm and an egg
Different forms of a gene are called...
a. offspring
b. recessive
c. traits
d. alleles
d. alleles
Both ferns and cedar trees rely on _______ to successfully fertilize themselves.
wind
What are mating systems?
a. threatening behaviors that animals use to gain control over other animals
b. behavior patterns that are related to how animals reproduce
c. chemicals released by one animal that affect the behavior of another animal of the same species
d. behaviors related to the movement of animals from one place to another and back again
b. behavior patterns that are related to how animals reproduce
Which is not a stimulus that can trigger tropisms in plants?
a. light
b.gravity
c. touch
d. temperature
d. temperature
What is tropism?
a plant’s growth and response toward or away from a stimulus
What does inheritance mean in terms of reproduction?
What is a fruit?
Cooperative behaviors can ____________ (increase/decrease) an animal's chances of surviving to reproduce.
Increase
What causes plants to bloom in different seasons?
Different species of plants will bloom in different seasons according to how long or how short the nights are.
What is metamorphosis?
a process in which an animal’s body undergoes major changes in shape and form during its life cycle
What happens if an offspring inherits a dominant allele from one of its parents?
Why do flowers have brightly-colored petals and attractive scents?
Bright petals and a pleasing smell will attract bees and other pollinators to the flower
What is the difference between learned behaviors and instincts?
Describe three types of stimuli that cause plants to exhibit tropism.
Touch, Gravity, and Light
What is a pheromone?
a chemical released by one animal that affects the behavior of another animal of the same species
How does sexual reproduction differ from asexual reproduction?
In what ways are sexual and asexual reproduction in plants similar?
They both produce new plants of the same kind.
Describe how animals use pheromones to attract potential mates.
How d environmental conditions affect the growth of an animal?
If an animal does not get a proper amount of food, then it will not grow to its normal size. The amount of available space can also affect the growth of an animal. Disease may be a factor.
What is germination?
the sprouting of the embryo out of the seed; occurs when the embryo resumes its growth following dormancy