What is genetic material also known as?
What is DNA
How many embryos are in one egg?
There is typically only one embryo per person
What is it called when an animal doesn't produce sexually?
what is a-sexully
What is external fertilization
Fertilization that occurs outside the body
What happens to the gestation period when the animal gets smaller and smaller.
The number of days/weeks/years get smaller
What animals use internal fertilization? (2-3)
What is earthworms, spiders, mammals, etc
What covering does an egg that a reptile laid have
Leathery
What covering does an egg laid underwater have
A jelly-like covering
What is an embryo?
A developing offspring
What animals reproduce externally? (2-3)
Jellyfish, sea urchins, and sea stars, etc
How does an embryo get nourishment from internal fertilization
embryo get nourishment from organs/tissue and protection because it's inside something
What two cells produce an offspring?
What is sperm/egg cell
How is an embryo nourished and protected in external fertilization
The shell for protection and yolk for nourishment
Definition of Zygote
What is the new cell that is formed after an egg cell is fertilized
What is the most well known male animal that gives birth?
What is a Seahorse
Why does mitosis need to occur constantly?
We humans shed and get hurt.
What are stem cells used for?
To make new blood and muscle cells
Do animals that use external fertilization care for their young?
What is yes
How are 2 daughter cells created?
One parent cell
What is mitosis
Cellular division
How does a yolk provide the embryo with food
The DNA inside the nucleous
What are the benefits of internal fertilization?
Ensures that an embryo is protected and nourished.
What are the 4 stages of metamorphosis
egg
larva
pupa
adult
What animal doesn't have a pupa stage
Frog/toad/ amphibian
What animals have embryos that develop in an egg inside the body? (2-3)
Snakes, beetles, different species of fish, etc