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100

Genetic material is also known as:

DNA

100

What is the most well known male animal that gives birth?

Seahorse

100

What organ produces sperm?

Testes.

100
A developing embryo needs two things:​​​​

Nourishment, Protection

100

What are the two types of fertilization?

Internal Fertilization, External Fertilization

200

What is Sexual Reproduction?

The genetic material from two different cells produce an offspring.

200
The majority of animals reproduce sexually

If they do not reproduce sexually, they reproduce:

Asexually

200

What is Fertilization?

The joining of an egg cell with a sperm cell.

200

What type of cells are sperm cells?

Reproductive

200

Males are often more ___ or ___ than females of the same species.

Larger or Colorful

300

Of the animals that utilize external fertilization, why do they all take place in water?

Sperm cells need an avenue to get to the egg cells. 

300

What are stem cells used to make?

New blood + muscle cells.

300

What is a Pupa?

Inactive phase where larva transforms into adult.

300
How do animals who utilize external fertilization ensure that some offspring survive?
Lay more eggs.
300

What is Metamorphosis?

A developmental process where the form of the body changes as an animal goes from an egg to an adult.
400
What animals have embryos who develop in an egg in​side the body? 

[ Name all ]

Snakes, different species of fish, and some insects.

400

Tadpoles are the ___ stage of a frog and can live only in water.

Larval.

400

What two mammals don't have embryos that develop inside of them?

Platypi and some Anteaters.

400

What is the difference between the zygote and embryo?

​Zygotes are single celled organisms.

Embryos are multi celled organisms.​​
400

After fertilization, the zygote begins to develop into an embryo. This occurs through:

Mitosis.

500

What process occurs constantly through an animal's lifespan?

Mitosis.

500

What is the Gestation Period of an Elephant in months?

19.7

500

The egg's covering protects the embryo, helps keep it ___, and discourages ___.

Moist, Predators

500

What is the third stage of a frog's Metamorphosis?

Tadpole with Legs

500

The female seahorse deposits eggs into the male ___ ___ in a rapid mating process.

Brood Pouch