Atoms combine to form molecules. Which of the following is another example of organization among living things?

Organs combine to form tissues.

Humans are made of various structures arranged in hierarchical levels. Which statement best describes the hierarchical level of epidermis (skin) tissue?

The epidermis is made from cells and is part of an organ.

The epidermis is made from atoms and is part of plant cells.

The epidermis is made from organs and is part of organ systems.

The epidermis is made from molecules and is part of an organism.

Which of the following examples demonstrates how cell division helps an organism to maintain homeostasis?

Cells multiply through the process of mitosis to replace damaged skin tissue.

Cells in the reproductive system divide to produce gametes.

Cells at the site of an injury increase in size to cover a wound.

Cells in the reproductive system release hormones to regulate mitosis in an embryo.

Which statement is NOT part of the cell theory?

Cells come only from other living cells.

Every living thing is made of one or more cells.

Cells carry out the functions needed to support life.

Many cellular processes are performed by cells. A typical cell and a common process are shown in the diagram below. Which of the following is the best reason this cell is going through the process shown?

to maintain homeostasis of the cell

to provide protection for the cell from the environment

Historically, many ideas concerning cells have been examined, leaving three to be incorporated into the cell theory. Which of the following is NOT part of the cell theory?

All life forms contain more than one cell.

The cell is the smallest form of life.

All organisms are composed of cells.

All cells come from pre-existing cells.

Which action would best support the theory that all organisms are made of cells?

looking at samples of plants and animals under a microscope

measuring the size of plants and animals

recording the population of a plant or animal species

looking at samples of plants and animals through a telescope

Once nutrients have been broken down through the process of cellular respiration, which of the following must also happen in order for an animal cell to maintain homeostasis?

The cell must take in sunlight.

The cell must use up the energy molecules.

The cell must lower its operating temperature

If a cell inside of an organism were unable to exchange food, water, and other materials with its environment, what would happen to it?

It would not be able to survive.

It would move to a new location.

Organs are made up of vast numbers of cells that perform various tasks. When cells die within an organ, homeostasis is interrupted. What will most likely happen so that homeostasis can be maintained?

The remaining cells will reproduce in order to replace the ones that have died.

The organ will continue to work, but with decreased function.

The organ will immediately shut down so that no further damage will occur.

The remaining cells will be unable to divide and the organ will quit working.

During cellular respiration, cells break down sugars to release energy. In this process, water and carbon dioxide are produced as waste products. What must happen to these waste products in order for a cell to maintain homeostasis?

They must be excreted from the cell.

They must be used for photosynthesis.

They must be digested and used as food.

They must be permanently stored inside the cell.

A cell in an organism can regulate what enters and leaves the cell. Which of the following is a reason that the cell may limit the amount of a substance (nutrient) that can enter?

to maintain a balance within the cell

to promote a variety of food sources

to keep the cell from expanding

All cells require energy to perform processes that maintain homeostasis. Which statement best describes how a cell obtains energy from food?

Chemical reactions convert the food into a form that the cell can use for energy.

An organelle within the cell heats the food until energy is released.

The liquid within the cell dissolves the food and transports it throughout the cell.

Special structures in the cell grind up the food into small pieces that organelles can use.

Ava has a list of organisms she is studying in science class. The organisms on her list are: bacteria, pine trees, and elephants. Which of the organisms on her list are made of cells?

Bacteria, pine trees, and elephants because all organisms are made of cells

Pine trees because only plants are made of cells.

Elephants because only animals are made of cells.

Bacteria because only microscopic organisms are made of cells.

SC.6.L.14.1 & L.14.2 Cells

Quiz

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Science

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8th Grade

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Hard

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SC.6.L.14.2, SC.6.L.14.1

Standards-aligned

Rachel DAusilio

Used 18+ times

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SC.6.L.14.1

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30 questions

Pedro is studying how living things are organized. Which of the following choices is in order from least to most complex?

Living things are organized in ways that allow them to function and maintain homeostasis. Which of the following lists are arranged correctly from the least complex to most complex?

A complex multicellular organism has different levels of organization. What is the order of the levels from least complex to most complex?

What is the relationship between tissues and organs?

The series below represents the hierarchy of life. The term “cell” is missing from the series. Between which two terms should the word "cell" be placed?

What is the relationship between organ systems and organs?

The body of a person or other mammal is a complex organism. The structure of the body has several levels of organization. Which of the following lists the structural levels of the body from smallest to largest?

Atoms combine to form molecules. Which of the following is another example of organization among living things?

The diagram below represents the organizational levels of living things. Which of the following examples represents an example of the missing organizational level?

Which term identifies a group of cells of the same type working together to perform a function?

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