Scientific Inquiry
Ecology
Lab Review
Human Body and Homeostasis
Cells
100
Nyasia tests whether pepsi helps students memorize more science terms. Give a hypothesis for her test.
Pepsi will help students memorize more terms/Pepsi will not help students memorize more terms
100
In which direction do arrows point in food chains and webs?
Towards the organism receiving the energy/towards the consumer
100
Which graph is best to use when comparing different factors?
Bar
100
This system is responsible for gas exchange
Respiratory system
100
Eukaryotes have this and prokaryotes do not.
What is a nucleus?
200
Why is it important to have a large sample size in an experiment?
More individuals tested gives us a more accurate result. It makes the test more valid.
200
Why is water considered a limiting factor?
When an ecosystem loses water, plants and eventually other organisms die.
200
Which power objective on a microscope will allow you to see as many cells as possible on a piece of onion skin? Why?
Low power
200
This system is essential to homeostasis because it transports oxygen and nutrients to all of our cells
Circulatory System
200
Multicellular organisms have organs and tissues capable of completing life processes. Single-celled organisms have these to do the same kinds of processes.
What are organelles?
300
Camille wants to see how sunlight affects plant growth. What will be her dependent variable?
plant growth
300
A type of bacteria lives in our intestines and finds shelter there. It breaks down some of our food, making digestion easier. This is the type of relationship being described.
What is mutualism?
300
Why did our cell models turn purple on the inside?
Starch remained inside, starch indicator diffused into the cell.
300
A person has this when they are NOT in homeostasis.
What is a sickness or disease?
300
Cells use this organelle to create ATP
What is the mitochondria?
400
A student tests whether listening to background music and pulse rate are related. The student designs an experiment to test this hypothesis. What would be an appropriate control for this experiment?
Measuring the pulse rate of students who are NOT listening to music.
400
Why are decomposers considered heterotrophs?
Decomposers can't make their own food the way that producers/ autotrophs can.
400
How does salt affect the water content of a plant cell?
It causes water to diffuse out of the cell.
400
The digestive system uses these proteins to help break down food.
What are enzymes?
400
This organelle can be compared to the security guards of a school.
What is the cell membrane?
500
An investigation was carried out to determine the effect of exercise on the rate at which a person can squeeze a clothespin. What is the independent variable?
Exercise
500
A stable ecosystem has this important feature.
What is biodiversity?
500
Before beginning an experiment, you should always read this.
Safety precautions and The procedure
500
Hormones can only work if they find this, located on a target cell.
What are receptor molecules/proteins?
500
These 2 structures are essential in the process of protein synthesis.
What are the nucleus and ribosomes?
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