You are made of carbon, hydrogen, nitrogen, oxygen, phosphorus, sulfur, calcium, and a smattering of a few other elements (iron, zinc, etc.). Your physical self consists of just atoms and molecules, but so does a rock, or a piece of wood. And yet, unlike a rock or a piece of wood, you are a smart, thinking, remembering, feeling, emotive human being. With regard to biology, you are the very definition of:. a. trophic interactions
b. nutrient cycling
c. emergent properties
d. life-history trade-offs
e. the law of conservation of mass

Which best explains why there are 64 possible codons in the genetic code and only 20 amino acids that make protiens of living organisms on earth

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

Research question: why are the carrots that grew on the left side of the garden larger than the carrots that grew on the right side of the garden? which hypothesis is based on this research question? a comparison of people with gardens to people without gardens will show who is likely to live longer. b. carrots are thought to be good for your eyesight and should be eaten regularly. c. carrots that are provided lots of sunlight grow to a larger size than carrots grown in the shade. d. eating fresh vegetables every day is a healthy thing to do.