Show:
Lesson 1
Lesson 2
Lesson 3
Vocabulary
Miscellaneous
100
What do most body cells(chromosomes) make when they go through cell division?
exact copies of themselves
100
RR is a _____________________ trait.
Dominant
100
Tippy the cat does many things. Which behavior is an instinct? a. ringing the doorbell b. meowing along with the radio c. sleeping more hours than he's awake d. running to the kitchen when a can is opened
c. sleeping more hours than he's awake
100
What's a factor that contains the DNA code for a trait?
gene
100
When the cell divides, the whole organism reproduces. There is no joining of cells from different parents.
asexual reproduction
200
An egg hatches into a caterpillar, which eats, makes a pupa, emerges as a moth, and lays eggs. What is this an example of?
life cycle
200
Spongebob can roll his tongue. His evil twin brother cannot. Which statement explains why? a. Spongebob can do it because he is older? b. Spongebob has a dominant factor for tongue-rolling c. The evil twin can't because he hasn't practiced enough yet d. The evil twin has a dominant and a recessive factor for tongue-rolling
b. Spongebob has a dominant factor for tongue-rolling
200
What happens when an environment changes? Give an example of an animal's environment being changed.
All the living things there are affected.
200
All the living and nonliving things that surround and affect an organism.
environment
200
What's a chromosome?
A threadlike structure in a cell nucleus.
300
Chromosomes make copies of themselves before what?
The cell divides
300
Characteristics passed from parents to offspring is called...
Inherited trait
300
What is a behavior that is passed from parents to offspring?
Instinct
300
What's a dominant trait?
A characteristic that appears when there is one factor present for it. The stronger trait!
300
How many chromosomes does each human body have?
46
400
What forms as a result of meiosis?
Gametes with half the number of chromosomes
400
A frog moves to a nearby pond because its own pond is drying up. What changed for the frog to cause it to move?
its environment
400
Moana and Lilo are identical twins. What trait is a result of Moana and Lilo's environment? a. hairstyles b. brown eyes c. tongue rolling d. unattached earlobes
a. hairstyles
400
What is a life cycle?
The stages that living things pass through as they grow and change.
400
Why might an Arctic fox have inherited traits such as, having white fur in the winter and brown fur in the summer?
These colors help the fox hide in its environment during both seasons
500
You get a sunburn. A week later, the dead skin peels off. What process formed the new skin underneath the peeling skin?
Regeneration
500
A recessive trait appears when _____________________.
A dominant factor is NOT present.
500
Give 2 learned behaviors. Give 2 instincts. Give 2 inherited traits.
Answers will vary.
500
What's mitosis?
Process by which most cells divide.
500
What's the difference between an inherited trait and an instinct?
An inherited trait is a CHARACTERISTIC that's passed from parents to offspring. An instinct is a BEHAVIOR that is passed from parents to offspring.