Life Science Lesson 1 :Reproduction (Cell)

survival _____________ of a species depends on its ability to produce offspring.

reproduction 2. Every organism comes from a parent through the process of _____________.

offspring 3. The transfer of genetic material from parents to their ________________ is known as reproduction

traits 4. Genetic material contains the information that controls an organism’s ______________.

sexual 5. The production of a new organism from two parents is called ____________ reproduction.

fertilization 6. When an egg cell joins with a sperm cell, _______________ occurs.

asexual 7. The production of a new organism from a single parent is called ________ reproduction.

splitting 8. Most unicellular protist and bacteria reproduce by making a copy of their genetic material and then split into two cells in a process called _______________.

budding 9. Cnidarians, sponges, and some fungi can reproduce through a process called _________________. During budding, a small part of the parent’s body grows into a tiny complete version of the parent.

without 10. The eggs of some species of fish, insects, frogs, and lizards go through asexual reproduction in a different way. The eggs develop into new organisms ______________ fertilization.

vegetative propagation 11. ____________________________ is a form of asexual reproduction in plants that produces new plants from leaves, roots, or stems.

runners 12. _____________ are plant stems that lie on or under the ground and sprout as new plants. They can also grow downward from hanging plants.

sexually 13. Many plants reproduce ______________.

Flowers, ovary 14. ____________ are the reproductive structures of many plants. Fertilization takes place inside the _________ of a flower.

cones, conifers 15. Some plants, such as pines, have ____________, but not flowers. These plants use the cones for reproduction and are called ______________.

sexually, fertilized 16. Like seed plants, animals that reproduce ______________ begin as ___________ egg cells that develop into embryos.

asexually 17. Yeast are unicellular fungi that reproduce _____________ by budding.

fruiting bodies, spores 18. __________ are fungal structures that produce_____________. A spore is a reproductive cell that was produced through cell division.

partner or mate , well-suited 19. An organism that reproduces asexually does not have to find a _________. Organisms that reproduce asexually tend to be ____________________ to their environment.

variety 20. A major advantage to sexual reproduction is that it promotes _________________ in a species.

1 2 splitting budding vegetative propagation spores eggs flowers cones Number of Parents Offspring Types of reproduction Asexual Reproduction Identical to parent · Df · Gg · gbudding · Sexual Different from parent · kk splitting 1 budding vegetative propagation spores eggs 2 flowers cones