Life Science Final Exam Review

Cells

100

This is the basic unit of structure and function in all living things.

What are cells

200

This type of cell does not have a nucleus.

What is a prokaryotic cell?

300

This organelle is responsible for holding a cell's DNA and controlling the functioning of a cell

What is the nucleus?

400

These are the four phases of mitosis.

What are prophase, metaphase, anaphase, and telophase?

500

These are the four features found in all cells.

What are ribosomes, DNA, cytoplasm, and a cell membrane?

Classification

100

What is the broadest category of life?

What is a domain?

200

This is the number of kingdoms found in the domain eukarya.

What is four?

300

This scientist is responsible for creating the classification system we use today.

Who is Carl Linneaus?

400

The scientific name of an orca is Orcinus orca. This is the name of the genus an orca what belongs to.

What is Orcinus?

500

If an organism is mostly unicellular it likely belongs to this kingdom of domain eukarya.

What is protista?

Environments

100

Name an abiotic element of a forest ecosystem.

What is water, air, temperature etc.

200

This is a substance called that is harmful to organisms and humans when found in the environment.

What is pollution?

300

An ecosystem has been interrupted by a forest fire. This type of succession will take place.

What is secondary succession?

400

These are the four elements of a habitat.

What is food, water, space, and shelter?

500

This is a way you can make a positive impact in your local community and support your ecosystem.

What are a variety of things?

Roles in Ecosystems

100

All energy comes from here and eventually turns into this.

What is the sun and heat?

200

This type of organism consumes only other animals.

What is a carnivore?

300

This type of organism is at the base of every food web.

What is a producer or autotroph?

400

This important group is present in all ecosystems and is important for recycling nutrients.

What are decomposers and scavengers?

500

One year, there is a particularly late frost and the fruit trees do not provide as much fruit as usual. This is what will happen to the size of the population of animals that eat the fruit.

What is the size of the population will decrease?

Energy in Ecosystems

100

This is the location of photosynthesis.

What is a chloroplast? 

200

This is the location of cellular respiration.

What is a mitochondria?

300

This is the place plants get the sugar they need to perform cellular respiration.

What is photosynthesis?

400

This is the main purpose of cellular respiration.

What is moving the energy stored in sugars into useable energy in the form of ATP?

500

Write the chemical formulas for both photosynthesis and ceullular respiration.

CO₂ + H₂O + sunlight --> sugar + O₂

sugar + O_{2 --> CO2 + H2O + ATP}