click below
click below
Normal Size Small Size show me how
Grade 5 A-3 Sci. Def
Animal Growth and Heredity
Term | Definition |
---|---|
chromosome | The threadlike strands inside the nucleus made up of DNA |
mitosis | The process of cell division |
asexual reproduction | Reproduction by simple cell division |
sexual reproduction | The form of reproduction in which cells from two parents unite to form a zygote |
meiosis | The process that reduces the number of chromosomes in reproductive cells |
life cycle | The series of distinct stages of life that most organisms grow and mature through |
direct development | A kind of growth where organisms keep the same body features as they grow larger |
metamorphosis | A change in the shape or characteristics of an organism's body as it grows |
inherited trait | A characteristic that is passed from parent to offspring |
dominant trait | A strong trait |
recessive trait | A weak trait |
gene | The DNA codes on chromosomes that contain all the traits an organism inherits |