What is the name of the tool used to identify an organism/find out more information about an organism?
Dichotomous Key
100
Name two organelles that are ONLY found in plant cells?
Cell wall, chloroplast, LARGE vacuole
100
Which is more dense, the atmosphere or the crust?
CRUST
100
True or False: molecules are only completely still in the solid state of matter.
FALSE - molecules still vibrate in place in the solid state of matter, they are ALWAYS moving
100
Select All that Apply. Which of the following are examples of acquired traits?
- Favorite food
- Language
- Height
- Eye color
- Piano playing ability
- Piano playing
- Favorite food
- Language
200
What are 3 of the 6 characteristics of living things?
Breathe, move, grow, reproduce, made of cells, use energy
200
Provide the definition of OSMOSIS
Diffusion (a substance moving from high to low concentration) of WATER
200
If you shake a jar containing gravel, sand, clay and water, in what order will they settle out from top to bottom?
water
clay
sand
gravel
200
What is one challenge with creating an accurate model of an atom?
- The electrons are too close to the nucleus
- It is hard to show the path of electrons orbiting the nuclues
- We have never actually seen an atom (because they are too small to see even with microscopes)
200
List one example of an organism that reproduces asexually, and one that reproduces sexually
Answers will vary
300
How is the plant kingdom different from the animal kingdom? (Think: the way they feed, their cell size, nucleus, etc.)
Plants are AUTOTROPHS - that means they can make their own food.
300
What is the largest organ in the body?
The SKIN
300
Particles in earth are naturally sorted based on two properties, what are they?
SIZE and DENSITY
300
Water, made up multiple atoms (two atoms of hydrogen and one atom of oxygen), is an example of a ______________.
Molecule
300
What is one advantage of asexual reproduction? (What is one reason asexual reproduction could be better than sexual reproduction?)
- More offspring more quickly
- Don't have to try to find a mate
- Don't have to care for offspring
400
What is the only kingdom that is unicellular, but DOES have a nucleus?
Protist
400
Which of the following systems would be most affected from smoking?
- Digestive
- Nervous
- Excretory
- Respiratory
Lungs are most affected...so respiratory!
400
Sketch a model of the earth, labeling each layer. Also indicate the pattern of density (does it get more or less dense the deeper the layer)
The closer the center of the earth, the higher the density
400
You sprayed air freshener in your bathroom that is 10 sq. feet and 70 degrees F. You noticed that it took only 5 seconds for the entire room to smell like 'spring breeze.'
You then sprayed the air freshener in your living room, which is 45 sq. feet and only 68 degrees F. This time it took 15 seconds for the entire room to smell like 'spring breeze.'
What is a conclusion you can draw? Use 'diffusion rate' in your answer
- The diffusion rate is faster in smaller spaces
- The diffusion rate is faster at higher temperatures
400
Tell me whether a deer would be better adapted for environment like the Wasatch mountains of Salt Lake or the hot sandy beaches of southern California?
Rocky Mountains
- blend in better
- more food sources
- better habitat options (deer can't swim)
- hooves aren't great for walking on sand
- too hot
- etc.
500
Why are choices #1 and #3 most closely related?
1- Pan troglodytes
2- Canis lupus
3- Pan paniscus
4- Ursus maritimus
5- Alces alces
They share the same GENUS
500
Select all that apply. Which of the following are functions of the nucleus?
- Control what enters/exits a cell
- Store and copy DNA (reproduction)
- Produce energy for the cell
- Protect the cell
- Direct the activities of the cell
Store and copy DNA (reproduction)
Direct activities in the cell
500
Why is the center of the earth solid even though it's temperature is the highest?
The pressure of all of the other layers hold the molecules so tightly together that they stay in the solid state
500
The formula for density is d=m/v or density = mass/volume.
What are the tools used to measure MASS and VOLUME, and their appropriate units?
Mass: scales, grams
Volume: ruler, cm^3 OR graduated cylinder, mL
500
What is one example of selective breeding? Say what the example is and how it has benefited humans.