What structure controls what enters and exits the cell?
Cell membrane
Alleles
What is evolution?
Change in species over time.
What is an abiotic factor
A non-living part of an ecosystem.
What is a hypothesis?
An educated guess that can be tested
Which organelle is most known for giving energy to the cell?
Mitochondria
What is the genotype of a heterozygous individual?
One dominant and one recessive allele
Who proposed the theory of natural selection?
Charles Darwin
What is a food web?
A system of interconnected food chains.
What is the independent variable in an experiment?
What process occurs in chloroplasts
Photosynthesis
What is the purpose of meosis?
To produce gametes with half the number of chromosomes.
What is a variation on a population?
A difference in traits among individuals.
What is carrying capacity?
The maximum number of organisms an environment can support.
Why is a control group important?
It serves as a baseline for comparison.
What is the difference between prokaryotic and eukaryotic cells?
Eukaryotic cells have a nucleus
Eukaryotic cells are found in plants and animals
Answers may vary
What type of inheritance results in a blending of traits?
Incomplete dominance
What is the role of adaptations in survival?
Adaptations improve chances of survival and reproduction.
What happens in an energy pyramid?
Energy decreases are you move up each level
What is a valid conclusion?
A conclusion supported by data.
Describe the path of a protein through the endomembrane system.
Ribosome --> Endoplasmic Reticulum (ER) --> Golgi Apparatus --> Vesicle --> Cell Membrane
They can change the amino acid sequence, potentially altering the protein's function.
What is speciation?
The formation of a new species through evolution.
How does human activity affect ecosystems?
Pollution, deforestation, climate change, etc.
How do you increase the validity of an experiment?
Repeat trials, large sample size, control variables