1. Life Science Lesson 1 :Reproduction (Cell)

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

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

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

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

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

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

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

9. 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 _______________.

10. 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.

11. 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.

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

13. 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.

14. sexually
13. Many plants reproduce ______________.

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

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

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

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

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

20. 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.

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

22. 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