Unit 1
What is a hypothesis?
A testable statement or an educated guess.
What is a cell?
the basic structural unit of all living organisms
What are genes?
sections of DNA that control a trait
What is extinction?
an occurrence where a species dies out
What do you call behaviors that occur naturally?
innate behaviors
an explanation for observable phenomena
What is an input of cellular respiration?
glucose/oxygen
What shape is a DNA molecule like?
a twisted ladder
What is relative dating?
a method for determining the age of fossils and rocks that depends on the order of strata
What is a parasitism relationship?
a symbiotic relationship between organisms in which one of the organisms benefits and the other is harmed
What is a molecule?
a substance that is formed when two or more atoms join
What are the inputs of photosynthesis?
carbon dioxide, sunlight, water
What is a heterozygous organism?
a genotype composed of two different alleles
What did Charles Darwin’s father want him to be?
a doctor
What’s homeostasis?
Having a stable internal environment in the body or cell
Whats the name of the table that organizes different types of atoms according to their properties?
periodic table
where does most of a cell’s cellular respiration occur?
mitochondria
Who was the first scientist to research into genetics?
Gregor Mendel
What is artificial selection?
a process where human select for or against certain traits in an organism
Are rising sea levels examples of climate change?
True or False: electricity are forms of matter.
False
Where does photosynthesis occur in a plant cell?
chloroplasts
What’s a punnet square?
a diagram used to show possible genotypes that can result from a cross
What happens if radiation hits a DNA molecule?
it can break or damage.
What is the most important greenhouse gas?
carbon dioxide