click below
click below
Normal Size Small Size show me how
7th grade science
Study guide for 7th grade science
| Question | Answer |
|---|---|
| What is reproduction? | Production of offspring asexually or sexually |
| What is mitosis? | The process of cell division. Nucleus divides into 2 nuclei |
| Functions of mitosis? | Growth and repair of the cell |
| What is meiosis? | cell division, produces sex cells with half the number of chromosomes |
| Asuexual reproduction - How many parents? Genetic comparison to parent(s)? Type of cell division? Examples? | One Parent. Exact copy. Mitosis. Budding |
| Sexual reproduction- How many parents? Genetic comparison to parent(s)? Type of cell division? Examples? | Two parents. Different than parents similar traits. Meiosis. Pollination. |
| What happens to chromosome numbers in reproductive cells? | Divides into 23 unpaired chromosomes |
| What is fertilization? | When sperm and egg meet |
| What is zygote? | Result of sperm and egg meeting |
| Role of a flower | Reproduce |
| What is the male part of a flower called? What are the parts? | Stamen. Anther and filament |
| What is the female part of a flower called? What are the parts? | Pistil. Ovary, stigma, and style. |
| Where does pollination and fertilization happen in a flower (two different places)? | Ovary and stigma |