1
The genetic traits that an offspring gets from its parents are called ______ traits.
a. learned
b. inherited
c. recessive
d. dominant
b. inherited
Which of the following is NOT an inherited trait in humans?
a. color of skin
b. ability to roll tongue
c. color of eyes
d. length of hair
d. length of hair
______ help us stand and sit upright.
a. skin
b. muscles
c. brains
d. lungs
b. muscles
A way of acting or behaving that an animal is born with and does not learn is called _______.
a. learned behavior
b. imprinting
c. instincts
d. acquired traits
c. instincts
The nose, throat, and trachea form a passageway for ________ the body.
a. the protection and movement of
b. blood to flow throughout
c. food to enter and waste to exit
d. air to enter and for waste gases to exit
d. air to enter and for waste gases to exit
True or false: Knowing how to play baseball is an inherited trait.
False
Which of the following MUST have a way to transfer inherited traits to their offspring?
a. aunts
b. sisters
c. parents
d. cousins
c. parents
Which of the following is NOT an example of a learned (acquired) behavior.
a. babies crying
b. swimming
c. using a pencil
d. hair style
a. babies crying
Which system is a rigid structure that holds the body up and protects internal organs?
Skeletal system
Which of the following characteristics is probably a result of interaction with your environment rather than heredity?
a. eye color
b. weight
c. straight hair
d. blood type
b. weight
Organs work together to form _____.
systems
Some traits are not inherited. For example, plant organisms ______ to their environment and change throughout their life to survive.
adapt
What is the basic unit of heredity in a living organism?
gene
If a German Shepherd dog and a Labrador Retriever dog have an offspring, what will the offspring look like?
a. just a German Shepherd
b. just a Labrador Retriever
c. a combination of a German Shepherd and a Labrador Retriever
d. a Basset Hound
c. a combination of a German Shepherd and a Labrador Retriever
Where does digestion begin?
mouth
Which of the following MUST be transferred from parents to offspring for the species to continue?
a. inherited traits
b. learned traits
c. food
d. shelter
a. inherited traits
What do we call a group of related organisms?
generation
A baby duck is guaranteed to inherit which of the following traits from its parents?
a. webbed feet
b. size
c. weight
d. sight
a. webbed feet
Physical features of an organism are called _______.
characteristics
Two girls are twins, one twin has brown eyes and the other twin has blue eyes. If both parents have brown eyes, why does one twin have blue eyes?
a. the mother's genes
b. the father's genes
c. dominant genes
d. recessive genes
d. recessive genes
Which system is responsible for breaking down and releasing nutrients from food?
Digestive system
How are inherited traits passed?
a. from parent to offspring
b. from species to the environment
c. from offspring to parent
d. from niche to niche
a. from parent to offspring
Muscles that work automatically without us thinking about them are called _______.
involuntary
Name to structural levels of an organism from simplest to most complex.
cell, tissue, organs, systems, organism
The nervous system controls ______ the body systems.
all