scientific investigation
The variable that the scientist changes in the investigation.
What is independent variable?
Cells are the basic unit of life, all living things are made of cells, cells from other cells.
What is the cell theory?
The passing down of traits from parents to offspring.
What is heredity or inheritance?
A symbiotic relationship in which one organism is harmed and another benefits.
What is parasitism?
What is familiaris?
The variable that changes based on the I.V. being changed. It is usually the one being measured over time.
What is dependent variable?
Bacteria and Archaea are this type of cell.
What is prokaryote or prokaryotic?
The tool used to predict the traits of offspring.
What is the Punnett Square?
This is a large region characterized by the climate and plants and animals found there.
What is a biome?
Crocodiles and Turtles belong to this class of animals.
What are reptiles?
The factors that do not change during an investigation.
What are constants?
Cells with a nucleus, membrane bound organelles, and usually multicellular are this type of cell.
What is eukaryotes or eukaryotic?
Represented by a capital letter. It will show up if only one allele is present.
What is the dominant trait?
Increased food, decreased predators, and increase in birth rates will do what to a population?
What is increase it?
Four examples of invertebrate animals.
insects, spiders, sea stars, jellyfish, earthworms, crabs, sea cucumbers, sea sponges, nematodes, etc.... (teacher will confirm correct answers)
How many times an experiment should be repeated to ensure valid results.
What is as many times as feasible, possible, as needed.
cell wall, chloroplast, and large central vacuole
What are the 3 things a plant cell has that an animal cell does not have?
XY
What are the male chromosomes?
This is how animals gain energy needed for life processes.
What is they eat?
When animals are in an area with the same resources they will do this.
What is compete?
This is something that should be testable in order to answer a scientific question. It should be written in an IF THEN statement.
What is hypothesis?
Photosynthesis, Cellular Respiration, Osmosis, Diffusion, etc...
What are cellular processes to maintain homeostasis?
The three things DNA is composed of.
What is sugar, phosphate, and nitrogen base?
In this food chain this is the secondary consumer.
grass--->grasshopper--->song bird--->hawk
What is the song bird?
This is when excess nutrients are added to a body of water causing it to have growth, lack of oxygen, death, and then fills in the body of water with fresh soil (humus).
What is eutrophication?