7th Grade Semester 2 Review

Homeostasis is

When you look at the forearm of both a human and a dog, you can see similar structures called

The nervous system is made of of what kind of cells

The type of muscle that never tires/stops working is

The tissue that is responsible for connecting the skeletal system is

An example of a phenotype is

The actual transfer of nutrients, wastes, and gases occur in

Why can you not tell if an organism is heterozygous or homozygous dominant?

When two species want the same food, water, and habitat, the one who is

The muscle responsible for inhaling and exhaling is

If a white chicken and a black chicken are bred but exhibit codominance, the babies will

Punnett squares help us

How do you know a new species has evolved?

On an evolutionary tree, two organisms that are at a branching spot must have

The largest cell in the body is

The type of joint found in the neck is

Who was credited with putting together the theory of evolution?

The top chambers of the heart are called

Possible genotypes when crossing two hybrid flowers can be represented by

Most traits in humans are controlled by

Mendel stated that genes can be inherited

A red flower is crossed with a white flower. If the flower shows incomplete dominance, it will

Sex cells contain this number of chromosomes:

When Mendel was studying pea plants, he started with

What is unusual about the top layer of skin?

The term descent with modification is also known as

Natural selection is

When DNA was discovered, what did scientists think of the theory of evolution?