Unit 1
Inferring, predicting, drawing conclusions
Which practices add to scientific knowledge?
__Blank____ provides instructions for the processes within the cell
What is dna?
One of the two copies of genetic code that form a gene.
Which are alleles?
Multiple mass extinction events have occurred in Earth’s history.
What is a pattern in the fossil record?
a symbiotic relationship in which both organisms benefit
What is mutualism?
This system allows energy, but not matter, to enter and leave
What is a closed system?
This cell is in the shape of a twisted ladder
What is dna?
a section of DNA that affects traits
What is a gene?
Both ________ and ____ claimed that Earth was very old and changed very slowly over time.
Who is Hutton and Lyell?
a symbiotic relationship in which one organism benefits and the other is not affected
What is commensalism?
An explanation for an observation
What is an inference?
This event occurs in the chloroplast
What is photosynthesis?
machine-like molecules that can carry out specific functions in a cell
What are proteins?
a change in DNA
What are mutations?
a symbiotic relationship in which one organism benefits and the other is harmed
What is parasitism?