Unit 6 Test (4-7-19)

What is a membrane-covered structure that contains all the materials necessary for life? (All living things are made of them)

Cell

How many cells are unicellular organisms made of?

One

What is the change that affects the activity of an organism called?

Stimulus

What is the maintenance of a stable internal environment called?

Homeostasis

When organisms reproduce, what do they pass copies of?

DNA

Which type of reproduction happens when a single parent produces offspring that are identical to the parent?

Asexual

Which method of asexual reproduction do unicellular organisms split into two parts?

Budding

Which type of asexual reproduction does an organism grow on the parent organism until its ready to separate?

Binary fission

What do plants convert energy from the sun into?

Food

What organism breaks down decaying material to gain energy?

Decomposers

List 4 things that almost all organisms need in order to survive?

Food,water,air, and shelter

What do plants use in the air to make food?

Carbon dioxide

What are organisms called when they make their own food?

Producers

What are organisms called when they eat other organisms to get food?

Consumers

Who was the naturalist that was born in England in 1809, graduated from college at age 22 with a degree in theology and took a trip on a ship named the HMS Beagle?

Charles Darwin

What islands did Charles Darwin make some of his most important observations on?

Galapagos

What kind of bird did Charles Darwin collect from the Galapagos Islands?

Finch

What is the practice by which humans select plants or animals for breeding based on desired traits?

Artificial selection

What scientist thought that organisms could acquire and pass on traits they needed to survive?

...

Who hypothesized that small changes in Earth's surface have occurred over hundreds of millions of years?

Charles Lyell

What economist wrote an essay about population that helped Charles Darwin to understand how environment could influence which organisms survive and which organisms die?

Thomas Malthus

What is the process by which organisms that inherit advantageous traits tend to reproduce more successfully than other organisms do?

Natural Selection

There are four mains parts of Natural Selection. What part is when a plant or animal reproduces and makes more offspring than the environment can support?

Overproduction

What is a change in genetic material?

Mutation

What occurs when all members of a species have died?

Extinction

Where are three places that show evidence that organisms have changed over time?

Amber,Ice, nd sedimentary rocks

What kind of rock forms when particles of sand or soil are deposited in horizontal layers?

Sedimentary

As layers of sedimentary rock form, newer layers form on top of them. Where are the oldest layers of sedimentary rock found?

Below Younger rocks

What forms when small creatures are trapped in tree sap and then hardens?

Amber

What are the remains or imprints of once-living organisms called?

Fossils

What two hard body parts of an organism form casts?

Shells and Bones

What do all the fossils that have been discovered make up?

Fossil Record