Ecology
This type of factor in an ecosystem includes sunlight, temperature, and water.
What is an abiotic factor?
These types of cells lack a nucleus and include bacteria.
What are prokaryotic cells?
DNA is stored in this part of the cell.
What is the nucleus?
This is the change in a species over time.
What is evolution?
These six elements are the most common in living things: C, H, O, N, P, and S.
What are carbon, hydrogen, oxygen, nitrogen, phosphorus, and sulfur?
This term describes an organism's role in its environment, while a habitat is where it lives.
What is a niche?
This cell structure controls what enters and leaves the cell.
What is the cell membrane?
This molecule is created during transcription.
What is mRNA?
This is the process by which organisms with favorable traits are more likely to survive and reproduce.
What is natural selection?
This system removes waste from the blood and helps maintain water balance.
What is the excretory system?
This relationship benefits one species while the other is neither helped nor harmed.
What is commensalism?
These two organelles are unique to plant cells.
What are the chloroplast and cell wall?
Given the DNA sequence TAC-ATA-GAA-ACG, what is the mRNA sequence?
What is AUG-UAU-CUU-UGC?
These random changes in DNA are a key source of genetic variation.
What are mutations?
These are the four main types of macromolecules in living organisms.
What are carbohydrates, lipids, proteins, and nucleic acids?
Only about this percent of energy transfers from one trophic level to the next in a food chain.
What is 10%?
The process of mitosis results in this number of daughter cells.
What is two?
A heterozygous genotype has this combination of alleles.
What are one dominant and one recessive allele?
These structures provide evidence of common ancestry through similar anatomy.
What are homologous structures?
These two systems work together to deliver oxygen to the body and remove carbon dioxide.
What are the respiratory and circulatory systems?
This process releases carbon into the atmosphere by burning fossil fuels.
What is combustion?
This term describes the maintenance of a stable internal environment inside a cell or organism.
What is homeostasis?
This type of cell division is used to create gametes.
What is meiosis?
This evolutionary mechanism involves random changes in allele frequencies, especially in small populations.
What is genetic drift?
These biological catalysts speed up chemical reactions without being used up.
What are enzymes?