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Ch.3 Science Test

Unit A Chapter 3 Test Review

the process of cell division mitosis
reproduction by simple cell division asexual reproduction
all the stages of an organism's life life cycle
the form of reproduction in which cells from two parents unite to form a zygote sexual reproduction
a threadlike strand of DNA inside the nucleus chromosomes
a kind of growth where organisms keep the same body features as they grow larger direct development
the process that reduces the number of chromosomes in reproductive cells meiosis
a change in the shape characteristics of an organism's body as it grows and matures metamorphosis
a characteristic that is passed from parent to offspring inherited traits
structures on a chromosome that contain DNA code for a trait an organism inherits genes
a strong trait dominant trait
a weak trait recessive trait
tissue replacement (starfish, lizard tail, planaria, wound healing) regeneration
nucleus makes exact copy of chromosomes preparing for mitosis
a cell has enough DNA for two cells before mitosis begins
each chromosome separates from its copy during mitosis
two groups of chromosomes pull apart and cell membrane pinches in at the middle, forming two new cells end of mitosis
cells from two parents unite to form one cell zygote
spiders and earthworms direct development
beetles, butterflies, and grasshoppers metamorphosis
cockroaches and grasshoppers incomplete metamorphosis
egg, nymph, adult incomplete metamorphosis
shedding outer skins as they grow molting
egg, larva, pupa, adult complete metamorphosis
always occupy the same place on a chromosome for a particular trait genes
Created by: holly.pate