Make a sketch of a eukaryotic cell.

Sketch chromosomes inside the cell nucleus.

You yourself started out as a single cell and now have tens of trillions of cells in your body! How did one cell (a zygote) turn into different kinds of specialized cells like heart cells, liver cells, and brain cells?

A pupil in bright light will appear small. The size of the pupil is an example of a _____.

light, temperature, odor, sound, gravity, heat, water, and pressure --- Organisms react to these ____.

If anything happens within or to an organism that affects its normal state, processes to restore the normal state begin. If homeostasis is not restored, ________________.

What is an organism?

What is a part of an organism’s internal or external environment and causes some sort of reaction?

Individual cells become larger in size, and multicellular organisms accumulate many cells through cell division (including mitosis). This is mostly an example of _____.

Bacteria

Virus

Which occurs when an egg is fertilized by sperm?

Which produces offspring that are genetically identical to the parent?

Which involves just a single organism or cell?

Where does the chemical reaction photosynthesis occur in a cell?

Where does the chemical reaction cellular respiration occur in a cell?

have offspring that are genetically different from parents

able to move

adaptations evolve over time

maintains homeostasis

responds to stimuli

exhales carbon dioxide

grows and develops

reproduces

requires energy

uses oxygen

breathes

displays organization (cells)

Methanogens are a group of organisms that produce methane, which causes flatulence in humans and other animals. Methanogens are unicellular and do not have membrane-bound organelles. Distinguish -- What type of cell is a methanogen?

Methanogens are a group of organisms that produce methane, which causes flatulence in humans and other animals. Methanogens are unicellular and do not have membrane-bound organelles. Is a methanogen made of a cell?

Methanogens are a group of organisms that produce methane, which causes flatulence in humans and other animals. Methanogens are unicellular and do not have membrane-bound organelles. Do methanogens have DNA?

Pictured here is Rhinovirus (rhin means "nose"), a virus that causes the common cold. Rhinoviruses may also cause some sore throats, ear infections, and infection of the sinuses (openings in the bone near the nose and eyes). Found inside a rhinovirus is RNA, but not DNA.

Identify, What type of cell is a rhinovirus?

Pictured here is Rhinovirus (rhin means "nose"), a virus that causes the common cold. Rhinoviruses may also cause some sore throats, ear infections, and infection of the sinuses (openings in the bone near the nose and eyes). Found inside a rhinovirus is RNA, but not DNA.

Does rhinovirus have DNA?

What is any inherited characteristic that results from changes to a species over time?

What is a group of organisms that can breed with one another and produce fertile offspring?

Which is most related to survival of the fittest and is a mechanism for evolution?

What is the double helix structure that all cells contain?

What is a theory of gradual change in a species through adaptations over time?

What is the basic unit of all organisms?

Which is selective breeding, hybridizing, and making pure breeds?

Which always only has 1 cell?

Which can be made of 1 cell or more than 1 cell ?

Which produces 2 identical cells?

Which has a nucleus?

Which leads to genetic diversity?

Do all cells have a cell membrane?

Do all cells have cytoplasm?

Allows some things to pass through and not allow other things to pass through into and out of all kinds of cells

Do all cells have a cell wall?

Do all cells have a nucleus?

Do all cells have chloroplasts, a membrane-bound organelle?

How do materials get through the cell membrane?

levels of organization: smallest to largest

What is the basic unit of life for any organism?

Chromosomes are made of _____.

Do chemical reactions occur in organisms?

Chemical reactions are represented with __________.

Using the law of conservation of mass, the mass of reactants equals the ________.

What is the sum of all the chemical reactions in an organism?

What are the two most important chemical reactions in biology?

Growth results in the addition of _____ to an organism.

Development is the process of ____________that take place during the life of an organism.

regulation of an organism’s internal conditions to maintain life

Homeostasis is maintained by feedback (negative or positive) mechanisms in an organism.

Feedback mechanisms (both negative and positive) _____.

The definition of life has changed over time.

Scientific knowledge is open to revision in light of new information.

Defining life is a long standing debate.

anything that has or once had all the characteristics of life

Which most closely relates a reaction vs. an inherited characteristic?

Which has 1 or more cells?

Which means that an organism gets bigger?

Which produces 4 haploid sex cells?

Which is a nonliving factor like temperature?

Which has a nucleus?

Which most closely describes 1 parent vs. 2 parents?

*Be sure terms are in the correct order.

Which represents nonliving vs. living?

Which does not lead to genetic diversity?

Which occurs when a single parent reproduces by itself?

Which best represents

1 cell

vs.

1 or more cells?

Which produces 2 identical cells?

Which is a gradual change in a species over time?

Which best represents change through life cycle?

Example: When a caterpillar changes into a butterfly, it has undergone _____.

What has occurred when two parents unite to form the first cell of a new organism?

What is a group of organisms that can breed with one another and produce fertile offspring?

Which is most related to survival of the fittest and is a mechanism for evolution?

What is the double helix structure that all cells contain?

What is the process by which organisms maintain a relatively stable internal environment?

What is the basic unit of all organisms?

What is anything that has or once had all the characteristics of life?

Genes are small sections of _____.

Make a sketch of DNA.

Identify a gene on the DNA.

Which produces offspring that are genetically identical to the parent?

Which occurs when an egg is fertilized by sperm?

Which occurs when a zygote is formed?

Mitosis makes two identical cells. Which type of reproduction most relates to mitosis?

Is reproduction an essential characteristic for individual organisms to survive?

Is reproduction an essential characteristic for a species to survive?

Do chemical reactions occur in organisms?

Chemical reactions are represented with __________.

Using the law of conservation of mass, the mass of reactants equals the ________.

What is the sum of all the chemical reactions in an organism?

What is something that once had the characteristics of life, but is no longer living?

What is any inherited characteristic that results from changes to a species over time?

What is the double helix structure that all cells contain?

levels of organization: smallest to largest

A pupil in bright light will appear small. The size of the pupil is an example of a _____.

A pupil in bright light will appear small. The light is an example of a _____.

process by which organisms respond to stimuli in ways that keep conditions in their body suitable for life

If anything happens within or to an organism that affects its normal state, processes to restore the normal state begin. If homeostasis is not restored, ________________.

Homeostasis is maintained by feedback (negative or positive) mechanisms in an organism.

Feedback mechanisms (both negative and positive) _____.

When glucose levels in the blood rise, your brain sends a signal to your pancreas. The pancreas releases insulin, which opens channels in cell membranes to allow glucose to enter the cell, lowering blood sugar levels. This helps maintain homeostasis.

In this body temperature feedback loop, what happens when cooling mechanisms are activated?

Positive feedback is when the change caused by the stimulus is