Life Cycles
Reproduction
Life Span
Life Cycles (Cont.)
Miscellaneous
100
The life stages of a living organism, including birth, reproduction, and death, that go on generation after generation.
What is a life cycle?
100
The process that a living thing uses to produce more of its own kind.
What is reproduction?
100
The time it takes an animal to complete its life cycle.
What is life span?
100
The number of stages present in COMPLETE metamorphosis.
What is four?
100
A sea anemone reproduces asexually simply by splitting in half.
What is splitting?
200
Humans, bears, and lions are all born looking like small ________.
What is adults?
200
The two basic ways in which animals reproduce.
What is asexually and sexually?
200
The average amount of time an individual animal might live according to the conditions around it.
What is life expectancy?
200
The number of stages present in INCOMPLETE metamorphosis.
What is three?
200
A hydra reproduces asexually by growing buds that break off to form new hydras.
What is budding?
300
Many kinds of animals _____, or shed their outer cover, as they grow.
What is molt?
300
A type of sexual reproduction, where sperm cells and egg cells come together outside of a female's body.
What is external fertilization?
300
Life span is a __________ based on the best possible conditions.
What is prediction?
300
The four stages in the life cycle of a ladybug.
What is egg, larva, pupa, and adult?
300
What banning tobacco would do to the life expectancy of the American population.
What is the increase of life expectancy due to fewer early deaths from cancer?
400
When animals change from one form into a completely different form during their life cycle.
What is metamorphosis?
400
A type of asexual reproduction, where a pice of a sponge falls off and grows into a new adult sponge.
What is regeneration?
400
Life expectancy is affected by _______________.
What is conditions in the environment?
400
The three stages in the life cycle of a grasshopper.
What is egg, nymph, and adult?
400
The difference between an adult grasshopper and a nymph.
What is wings?
500
Scientists use life cycles to ______ living things.
What is classify?
500
The two cells that join in sexual reproduction.
What is the sperm and the egg?
500
A deadly flu epidemic affects the life __________ (span or expectancy).
What is life expectancy?
500
The length of time it takes a bullfrog to make the changes of metamorphosis?
What is up to three years?
500
The four stages that all living things share.
What is birth, death, growth and development, and reproduction?
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