Ecosystems
Cells
Density
Domains & Kingdoms
Surprise
100
All of the following are abiotic factors except...
-Plants
-Water
-Sunlight
-Temperature
Plants
100
What is the main difference between prokaryotic and eukaryotic cells?
Prokaryotic cells do not have a nucleus while eukaryotic cells do have a nucleus.
100
What is the formula for density?
D= Mass / Volume
100
An organism that creates its own food is called:
Autotroph
100
Due to the Sun's ________ _____, Earth orbits the sun.
gravitational pull
200
An __________ includes all living and non-living things in an environment.
ecosystem
200
What is located in the nucleus of a cell?
DNA
200
An object has a volume of 25 ml and a mass of 200 grams. What is the density of the liquid?
8 g/ml
200
What is the broadest level of classification?
Domains
200
List the earth layers from innermost to outermost
Inner core, outer core, mantle, crust
300
Which represents a community? Why?
D- because a community is different species living together in the same area (does not include the abiotic factors)
300
A. Prokaryotic and Eukaryotic
300
Which liquid has the lowest density? Which liquid has the highest density?
lowest- lamp oil
highest- honey
300
Which domain contains eukaryotic organisms?
eukarya
300
What is the difference between potential energy and kinetic energy?
Potential energy is stored energy and kinetic energy is energy in motion.
400
Provide the levels of organization in an ecosystem from smallest to largest
Organism, population, community, ecosystem, biosphere
400
What organelle is the control center of the cell?
Nucleus
400
2 g/ml
400
Where can organisms that are part of domain archaea be found?
in extreme living conditions
400
Popping fireworks is an example of what type of change?
Chemical change
500
What are the 3 types of biotic factors in an ecosystem?
Producers, consumers, and decomposers
500
Where do cells come from?
Cells come from other cells
500
A piece of sand is very light but it sinks in water because....
sand is denser than water
500
What kingdoms have organisms that contain a nucleus?
Plants, animals, fungi, and protista
500
Which element is in group 11, period 4?
Copper (Cu)