Fossils
What are the preserved remains or traces of ancient organisms that provide evidence of past life on Earth?
What are fossils?
In the context of natural selection, what term refers to the distinguishing characteristics or features of an organism that can be inherited?
What are traits?
What is the shape of DNA?
What is a double helix?
What type of reproduction involves 1 parent?
How many chromosomes do humans have?
What are 64 chromosomes?
What term describes the study of fossils and their significance in understanding the history of life and evolutio
What is paleontology?
What are changes in the DNA sequence that can lead to new traits and are a source of genetic variation in populations?
What are mutations?
Who are the scientists credited with discovering the structure of DNA?
Who are James Watson and Francis Crick?
In sexual reproduction, what are the male and female reproductive cells called?
Sperm and Eggs
In genetics, what term describes an allele that expresses its trait even when only one copy is present?
What is the term for fossils that provide information about the relative ages of rock layers and the organisms that lived during those times?
What are index fossils?
What is the phenomenon called when a species evolves into two or more distinct species due to environmental pressures?
What is speciation?
What are the four nucleotide bases in DNA?
What are adenine, thymine, cytosine, and guanine? (ATCG)
What is the process by which a sperm cell fertilizes an egg cell to form a zygote?
What is fertilization or conception?
What tool is used to predict the genetic outcome of a cross between two organisms?
What is recognized as the first fossil found?
Who is known as the father of evolution and proposed the theory of natural selection?
Who is Charles Darwin?
What are the 3 mutations that can occur in DNA?
What are insertion, deletion, and substitution?
What are the two types of cell division?
What are Mitosis and Meiosis?
What term describes the physical appearance or observable traits of an organism?
What is a phenotype?
What principle states that in undisturbed sedimentary rock layers, the oldest layers are at the bottom and the youngest layers are at the top?
What is the Law of Superposition?
What is the term for a trait that enhances an organism's ability to survive and reproduce in its environment?
What is an adaptation?
What term refers to a sequence of three nucleotides in mRNA that specifies a particular amino acid during protein synthesis?
What is a codon?
What is the process by which traits and characteristics are passed from parents to their offspring through genes
What is heredity?
What term describes an organism that has two different alleles for a specific gene?
What is heterozygous?