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37 Cards in this Set
- Front
- Back
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What does the survival of a species depend on?
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Reproduction
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Where do all cells come from?
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Pre-existing cells
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What are the two methods of reproduction?
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Sexual and Asexual
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What is the main disadvantage of asexual reproduction?
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Lack of diversity
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What does sexual reproduction involve?
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A merging from the material from the nuclei from two cells
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What is reproductive division?
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A special kind of cell division that occurs only in sex cells
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What are egg and sperm cells?
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Single cells that contain only half the normal number of chromosomes
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What happens in external fertilization?
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Eggs are fertilized outside the body of the female parent
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What happens in internal fertilization
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Eggs are fertilized inside the body of the female parent
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What is a stamen?
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The male reproductive organ of a flower
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What is an embryo?
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An organism in early stages of development
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What is another name for a newly hatched insect?
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Larva
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How do seed-bearing plants reproduce asexually?
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By vegetative propagation
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How do fish fertilize and develop?
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Fertilize:External
Develop:External |
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How do Amphibians fertilize and develop?
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Fertilize:External
Develop:External |
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How do Reptiles fertilize and develop?
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Fertilize:Internal
Develop:External |
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How do birds fertilize and develop?
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Fertilize:Internal
Develop:External |
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How do Mammals Fertilize and develop?
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Fertilize:Internal
Develop:Internal |
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What is a gymnosperm?
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Non-flowering plant
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What is an angiosperm?
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Flowering plant
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What is a metamorphosis?
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A series of changes some insects and amphibians go through as they mature
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How many steps does Complete Metamorphosis have?
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4
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How many steps does Incomplete Metamorphosis have?
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3
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What is one animal that goes through complete metamorphosis?
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Butterfly
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What is one animal that goes through incomplete metamorphosis?
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Grasshoppers
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Reproduction in ferns with one parent
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Spores
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Stage that may form a cocoon
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Pupa
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What keeps an egg warm during development?
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Incubation
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What is another word for a sex cell?
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Gamete
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What does a zygote develop into?
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Embryo
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What is a fertilized egg?
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Zygote
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What is unicellular reproduction?
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Fission
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Runners, bulbs, cuttings are all part of ...
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propagation
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Immature stage without wings or reproductive parts
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Nymph
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What is asexual reproduction in worms called?
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Regeneration
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What is the time period from fertilization to birth?
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Gestation
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What is asexual reproduction in yeast?
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Budding
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