Unit 1 Focus Lesson

​Unit 1 Focus Lesson

Let's focus on some of the most missed questions on yesterday's CFU!

​All living things are made of cells.

​Some organisms are UNI-cellular, or made of only 1 cell.

Some organisms are multicellular, made of more than 1 cell.

​

Cells are the smallest and most basic unit of life.

Multiple Choice

What is the smallest unit of life?

• DNA

• Cells

• Energy

• Carbohyrdrates

Multiple Choice

All living things are made of ___.

• DNA

• Cells

• Energy

• Water

Multiple Choice

Some organisms like bacteria are _________, meaning they are made from 1 cell.

• unicellular

• multicellular

• autotrophic

• heterotrophic

Multiple Choice

Which statement mentions the smallest living structure all things are made of?

• The Dumbo Octopus lives in the deep sea and have large eyes.

• The Dumbo Octopus has tentacles that it uses to capture food.

• The Dumbo octopus contains cells.

• The Dumbo Octopus has DNA and their lifespan is 3-5 years.

This is a characteristic of life!

Using Energy-

This is a necessity of life. It provides us with the energy to use.

​​Food

​

These are organisms that make their own food from the sun's energy or other chemical reactions.

​​Autotrophs

These are organisms that must eat other organisms as food.

​​Heterotrophs

Multiple Choice

Using energy is a ___________.

• Characteristic of Life

• Necessity of Life

Multiple Choice

Food is a ____________ of life that gives us __________.

• necessity of life, energy

• necessity of life, joy

• characteristic of life, carbohydrates

• characteristic of life, ATP

Multiple Choice

Why are tigers considered heterotrophs?

• they eat other organisms for food

• they only eat animals whose names start with the letter H

• they only hunt during the day

• they are different from other cats

Multiple Choice

Autotrophs like plants _____.

• eat other organisms for food

• make their own food

Multiple Choice

Which statement suggests that Dumbo uses energy?

• His gelatin like body helps it survive the immense pressure under water.

• He uses his tentacles to capture food.

• He has DNA.

• He starts off less than an inch long and grows to be several inches.

complex molecules that contain your genetic code/information.​

​

Monomer: Nucleotides​

Nucleic Acids:

​

DNA and RNA

​​EXAMPLES:

​​They contain the recipes to make proteins!

Having DNA is a characteristic of living things!​

​

Multiple Choice

Nucleic acids contain ____.

• genetic information

• energy

• carbohydrates

• cells

Multiple Choice

Which statement suggests the presence of genetic material?

• The Dumbo octopus has big eyes.

• The dumbo octopus has DNA

• The dumbo octopus has cells

• The Dumbo octopus has tentacles to capture food

Multiple Choice

What is the monomer of nucleic acids?

• nucleotides

• amino acids

• sugars

• fatty acids

Multiple Choice

Examples of nucleic acids include:

• pastas, breads, cereals

• eggs, meat, and enzymes

• oils, waxes, fats

• DNA and RNA

Maintaining a stable internal environment despite changes in the environment.

HOMEOSTASIS:​

​

Anything that provokes a reaction from an organism. Can be internal, like hunger, or external, like cod.

STIMULUS:​

​

What organisms do to maintain homeostasis.

REACTION:​

​

Multiple Choice

Homeostasis is:

• maintaining a stable internal environment by responding to changes

• making your own food using sunlight or chemical reactions.

• Being made of more than one cell

• A process that only multicellular organisms do.

Multiple Choice

Which statement describes one way Dumbo maintains homeostasis?

• His gelatin like body helps him regulate under the immense pressure of the ocean.

• He begins as less than an inch long and grows to be several inches.

• His tentacles can be used to capture food.

• He contains cells.

Multiple Choice

Fern steps outside, feels how cold it is, and puts on a jacket. What is the stimulus?

• Fern

• The cold

• Putting on a Jacket

Multiple Choice

Pedro sees a soccer ball heading towards him. He moves to it, and kicks it in the goal. What was his response?

• Pedro

• Soccer Ball coming at him

• Kicking the ball in the goal.

MONOMER: sugars

​

FUNCTION: quick and main source of energy.​

​​Carbohydrates​

MONOMER: Fatty acids

​

FUNCTION: Energy storage​

​​Lipids:​

MONOMER: amino acids

​

FUNCTIONS: make up body structures; do chemical reactions​

​​Proteins:

re-chargable energy molecule your cells can use​

​

Energy stored in bonds between phosphate groups.​

​​ATP

​

Multiple Choice

Which biomolecule is used for energy STORAGE?

• lipids

• carbohydrates

• ATP

• Proteins

Multiple Choice

The monomer of a protein is ___.

• fatty acids

• sugars

• amino acids

• nucleotides

Multiple Choice

Which biomolecule is our main energy source?

• carbohydrates

• lipids

• proteins

• ATP

Multiple Choice

Which biomolecule makes up body structures and does chemical reactions?

• carbohydrates

• lipids

• ATP

• proteins

Multiple Choice

Which biomolecule is recharable and usable by cells?

• lipids

• proteins

• ATP

• carbohydrates

Multiple Choice

Which biomolecule is made of fatty acids?

• carbohydrates

• lipids

• ATP

• proteins