Grade 5 - Animal Reproduction Flashcards
All living things reproduce. Animals can reproduce either _______ or ______.
asexually
sexually
Reproduction by one parent is called?
asexual reproduction
What are the different types of asexual reproduction?
fission
budding
fragmentation
Is a type of asexual reproduction that happens when one organism splits into two identical parts of the same size?
fission also called binary fission
Example of a fission?
A planarian flatworm
Is a form of reproduction wherein a small part of the body separates to form a new organism.
Budding
Sample of a budding reproduction.
Sponges, hydra
How do sponges reproduce through budding?
First, they form groups of cells called buds. When the buds break off from the parent, they develop into new sponges.
A form of asexual reproduction where a fragment of the parent breaks off and develops into an entirely new but genetically identical individual.
Fragmentation
Is the ability of an organism to regrow certain parts of its lost body parts.
Regeneration
Is a type of reproduction that involves fertilization of sex cells from two organisms?
Sexual reproduction
Is the fusion of the egg cell and the sperm cell from two individuals?
Fertilization
The fusion of the sperm and the egg forms a fertilized cell called?
zygote
Is an aquatic animal with stinging cells and a hollow body. These animals reproduce both sexually and asexually?
jellyfish
Animal fertilization can be done either _______ or _______.
externally or internally
Is a type of fertilization that is the union of the egg and the sperm cells outside the body?
External fertilization
Is a process wherein animals release a mass of egg cells and sperm cells into the water?
spawning
The larvae of frogs are called?
tadpoles
What do you call the mating position of the male and female frog?
amplexus