Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
16 Cards in this Set
- Front
- Back
|
trait
|
a characteristic that makes one organism different from another
|
|
|
heredity
|
processes by which characteristics pass from parents to offspring.
|
|
|
gene
|
the basic unit of heredity
|
|
|
life cycle
|
all the stages an organism goes through
|
|
|
direct development
|
A growth process in which an animal gets larger without going through major changes in body form.
|
|
|
metamorphosis
|
A growth process in which an animal goes through major changes in body form over the course of the life cycle.
|
|
|
Your genes...
|
carry the instructions for your growth and development
|
|
|
Each parent contributes
|
half of the genes an offspring receives.
|
|
|
What traits are determined by heredity?
|
Eye color, hair color, earlobe type and hitchhiker thumb
|
|
|
Most animals begin life as..
|
a fertilized egg
|
|
|
What is molting?
|
Process by which an animal sheds its outer covering so that it can grow.
|
|
|
What animals go through direct development?
|
Humans, spiders, cats and fish
|
|
|
What animals go through metamorphosis during life cycle?
|
Moth, butterfly, frogs and grasshoppers
|
|
|
What is life cycle of plant?
|
Life cycle begins as seed. When there is enough moisture, a seed swells and cracks open. Tiny roots begin to grow down into the soil. Inside the seed, the embryo is surrounded by food. This food gives the plant energy to grow until it can make its own food.
|
|
|
What kind of plant grows from a storage stem?
|
Tuber. Potatoes are tubers. Bulbs are underground storage stems that have complete miniature plants inside.
|
|
|
Ferns, plants related to ferns, and other plants without roots reproduce....
|
by spores and don't make seeds. These need moist environments to reproduce.
|
