Study Guide for the 7th Grade Mid Term

Each human skin cell has ____ pairs of chromosomes.

Linnaeus's system gave how many names to each organism?

A genetic factor that blocks another genetic factor is called a(n) _____.

A five-armed sea star is cut into five equal pieces. How many sea stars will regenerate?

A new organism that results from budding & remains attached to its parent starts to form ____.

To study an object's surface you use a scanning microscope.

Which substance is released as a waste product during photosynthesis?

The period of growth and development in the cell cycle is called the mitotic phase.

Meiosis happens in the major cells of multicellular organisms.

Plants and animals aren't made up of cells.

Which is NOT one of the nitrogen bases that form the rungs of the ladder in DNA?

What does muscle tissue do?

A tadpole turns into a frog over its lifetime. This is called _____.

Which of the following is the scientific name for a bear?

A fungus can only reproduce sexually or asexually.

Light energy, water, and carbon dioxide are at the start of photosynthesis.

What is the process called by which cells coming from the same cell become different types of cells?

The cell theory is the result of the hypothesis and observation of one person.

Dichotomous keys are divided into steps with ____ descriptions at each step.

A cladogram is similar to which of the following?

A stimulus causes no change or response in an organism.

The original cell no longer exists once fission occurs.

How many cells will be produced by 1 cell that undergoes meiosis?

Mutations cause changes in _____.

Two horses mate and produce a foal. This is an example of _____.

Glucose and oxygen are the result of respiration.

How much DNA in human chromosomes does not form genes and is considered junk DNA?

Which of the following is NOT part of a chromosome?

Asexual reproduction involves two parent organisms.

Haploid cells are sex cells.

Recessive traits are always shown in an organism's offspring.

What does nervous tissue do?

Self-pollination is when the pollen lands on _____.

Most of the life of any cell is spent in a period of growth called ____.

The microscopes used today are just like the ones used by Leeuwenhoek and Hooke.