Could You Still Pass Middle School Biology?


Who studies biology?

If you did not get this question right, please grab a cup of coffee before continuing. People who study biology are biologists!

What is the study of ecosystems?

Ecology is a subset of biology. It's the study of ecosystems and how organisms live and interact with their environment.

Mushrooms, yeasts and molds are what?

Mushrooms, yeast, and mold are all types of fungi. Fungi have their own unique place and function in the ecosystem.

How many systems does the body have?

The body has 12 systems. These are cardiovascular, digestive, endocrine, immune, integumentary, lymphatic, muscular, nervous, reproductive, respiratory, skeletal and urinary.

The cardiovascular system is otherwise known as the ______ system.

The cardiovascular system is otherwise known as the circulatory system. It's responsible for transporting blood, oxygen and nutrients.

Which system produces hormones?

The endocrine system is responsible for creating hormones which regulate metabolism, growth and development. Hormones also regulate sleep and mood.

Who came up with the idea of natural selection?

Charles Darwin is responsible for the theory of natural selection. This is also called survival of the fittest.

Global warming is caused by too much ______ in the atmosphere.

Global warming is largely caused by too much carbon dioxide being released in the atmosphere. This causes the Earth's atmosphere to hold a lot of heat near its surface.

Who came up with a method to stop foods from making us sick?

The French chemist and microbiologist Louis Pasteur is responsible for coming up with a process that keeps food from making us sick. This is called pasteurization.

What is it called when the DNA of an organism changes?

Gene mutation is the alteration of a gene. This mutation leads to a new trait or characteristic.

What do we use to treat bacterial infections?

Antibiotics are used to treat a whole host of bacterial infections in the human body. Antibiotics will not treat the common cold.

What do you call creatures that only eat plants?

Animals that only eat plants are known as herbivores. Animals that eat mostly other animals are called carnivores.

How many blood types are there?

There are four main blood types. These include A, B, AB and O. Which type are you?

What is one type of blood protein?

The main types of blood protein are albumin, globulin and fibrinogen. Albumin helps to control blood pressure and to carry vitamins and nutrients

Can your blood handle a new antigen?

Your blood can only have the kind of antigen it currently has. That's why only certain people can donate blood to other people. It has to be a match.

Which blood type is the universal donor?

O is the universal donor when it comes to giving blood to others. Anyone can use O blood, and AB folks are universal recipients!

How many pairs of chromosomes do we have?

Every healthy person has 23 pairs of chromosomes in every cell of their body. The pairs of chromosomes are found within the nucleus of the cell.

How many cells does it take to clone an animal?

You can actually clone an animal using one of its cells. That's because all the information that you need is found in each cell.

Is the Great Barrier Reef alive?

Yes, the Great Barrier Reef is alive! It's also the largest living structure on Earth, so we'd better protect it.

When was a live cell first seen through a microscope?

It was in 1674 that a cell was first seen under a microscope. Antonie van Leeuwenhoek was the scientist that did it.

What is the common cold?

The common cold is a viral infection, not a bacterial infection. That's why it can't be treated with an antibiotic.

Bacteria are made up of how many cells?

Bacteria are single-celled organisms. That means that they're made up of just one cell.

Which of these is an endangered species?

All of these animals are endangered species. If we do not protect them, they will become extinct. They're only three types on a long list.

Are all bacteria bad?

Not all bacteria is bad! The bacteria that helps you digest food, like that found in yogurt or kimchi, is quite good for you.

Our immune systems fight with what?

Our immune system uses antibodies in order to fight foreign invaders. It also uses microphages, which come from white blood cells, that keep disease from spreading.

What was the first mammal to be cloned?

Dolly the sheep was the first mammal to be cloned from an adult cell. This took place in 1996.

Do we have more human or non-human cells?

Traditional wisdom holds that we actually have more non-human than human cells - about ten times more bacteria cells in our bodies than human cells. However, some scientists now say the ratio may be about one-to-one.

What is the possible explanation for a problem?

In science, a hypothesis is the possible explanation for something. Once a hypothesis is formed, the scientific method is employed to test it.

Which of these speed up chemical reactions?

Enzymes speed up chemical reactions. Enzymes in the body also aid with digestion.

What do we call the nonliving aspects of our environment?

Abiotic factors in our environment are those that are nonliving. A rock, for instance, is an abiotic factor.

What is the name of the place where an organism lives?

An organism's habitat is the place in which it lives. Each organism has a niche function within its environment.

What is the source of food for a predator?

Predators are animals that go on the hunt for their prey. A lion, for instance, might go after a deer.

What is it called when an ecosystem has reached its peak capacity?

A climax community occurs when an ecosystem has reached its capacity for growth. When a city reaches its maximum capacity, people just build taller buildings!

The circadian rhythm is based on a _______ cycle.

The circadian rhythm is based on a 24-hour cycle. Your circadian rhythm will dictate your sleeping and waking schedule.

Do humans have cell walls?

Cell walls are actually only found in the plant community. They add layers of protection to the plant cells.

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About This Quiz

Biology is the science of life. Whether you're a biology pro or just a biology newbie, knowing the fundamentals is key to having a basic understanding of the world we live in. In this quiz, we're going to test your biology skills. When you succeed, you can finally rejoice that you know where your femur is.

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