Evolution
Type of structures that animals share the same bone structure but are used for different functions, even though they share a common ancestor.
homologous structures
What is the difference between a habitat and a niche?
A niche is the unique role an organism has, a habitat is where the organism lives
A diploid cell in a buffalo has 60 chromosomes. A sperm or egg cell in a buffalo can be expected to have
30 chromosomes
The process by which organisms produce offspring of their own kind is called ____________, and it is essential for the continuation of a species over generations.
Reproduction
What does "-logy" mean?
the study of
Type of structure that has gotten so small it is no longer functional, or the species no longer produces it.
vestigial structure
What are the three types of population dispersion patterns?
uniform, clumped, random
begins with diploid cells and ends with 4 haploid cells
meiosis
____________ is the characteristic of life that involves an increase in the number of cells or the size of an organism.
Growth & Development
What are the 2 things that can denature proteins/enzymes?
BONUS 100pts: What is a 3rd thing that can denature them?
Temperature, pH
BONUS: Salinity
Any variation that can help an organism survive in its environment is called a(n):
adaptation
Describe one example of a mutualistic relationship and one example of a parasitic relationship in an ecosystem.
DOUBLE POINTS QUESTION!!
Answers will vary :)
You were studying cancer cell growth and measured the amount of cell growth every hour. What is the dependent variable in this scenario?
The amount of cells that have grown.
The ability of an organism to detect and respond to changes in its environment is called ____________.
Response to stimuli
Give 3 examples of abiotic factors.
answers will vary :)
What are the 4 principles of natural selection?
A population of deer in a forest grows rapidly over several years before competition for food makes their population decline. What is the maximum amount of individuals an ecosystem can support called?
carrying capacity
If a stand of DNA has 30% of Guanine what percentage of Adenine would be on the replicated strand?
20%
Maintaining a stable, balanced internal environment, known as ____________, is crucial for the survival of living organisms.
Homeostasis
What are the 3 concepts in Cell Theory?
All living things are made up of cells. Cells come from pre-existing cells. Cells are the basic unit of life.
A group of mice becomes separated by the formation of a river. Over time, the northern mice became smaller and whiter, while the southern mice became larger and browner. This is an example of...
Geographic isolation OR Divergent Evolution
Explain the main 2 differences between primary and secondary succession.
how long each takes (primary takes longer)
primary starts without soil
A human cell ordinarily will have 23 pairs of chromosomes, for a total of 46 chromosomes. At the end of a cell cycle, including mitosis, the new cells will have
23 pairs of chromosomes; 46 total
____________ is the characteristic of life that refers to the process by which organisms acquire and use energy to carry out their life functions.
Metabolism
What is the difference between codominance and incomplete dominance?
incomplete - traits blend
codominance - both traits show (spots, stripes, etc.)