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4th Grade Sci Ch 2
JLC 4th Grade Science Ch 2 Review
| Question | Answer |
|---|---|
| gene | The basic unit of heredity. |
| heredity | process by which characteristics pass from parent to offspring |
| life cycle | All the stages an organism goes through from beginning of one generation to the beginning of the next. |
| metamorphosis | A growth process in which an animal goes through major changes in body form over the course of the life cycle. |
| trait | A characteristic that makes one organism different from another. |
| direct development | A growth process in which an animal gets larger without going through major changes in body form. |
| your genes | Carries instructions for our growth and development |
| offspring's genes come from... | each parent contributes half of the genese |
| this trait is only determined by heredity | eye color |
| an animal that is mostly to survive and thrive after birth without care from one or both parents | fish |
| the part of the plant that feeds the embryo until the plant can make its own food | seed |
| ferns and seeds reproduce by... | spores |
| grows from storage stems called tubers | potatoes |
| how most animals begin the life cycle | as a fertilized egg |
| a snake goes through this process | molting |
| an animal that goes through direct development | spider |
| a female lays eggs in the male's pouch where the eggs are fertilized and when mature swim away | seahorse |