Immune System
Ecology
Cellular Respiration + Photosynthesis
Other
Reproduction
100
Vaccinations contain.....
Antigens OR weakened or deactivated pathogens
100
Which of the following is an example of a producer? Justify your response.
Lion Deer Cactus
Cactus. It produces its own energy from the sun through photosynthesis.
100
This is the equation for ___________
Cellular repiration
100
Define homeostasis, give an example
A state of balance (examples vary)
100
Give two examples of gametes. How are they different from body cells?
Sperm and egg, they are haploid
200
Define a pathogen. Give two examples.
A disease causing microorganism (bacteria, virus)
200
What type of organism is this?
Describe why this organism is important to a stable ecosystem.
Decomposer. It breaks down dead organic material for to be used by other organisms.
200
Oxygen is a reactant for
Cellaur respiration
200
When blood sugar levels are high the hormone _________ is released. When blood sugar levels are low the hormone __________ is released.
Insulin, glucagon
200
State the structure of the female reproductive system where fertilization occurs
Fallopian tube:max_bytes(150000):strip_icc()/female-reproductive-system-with-image-diagram-538949875-96ab73c46e5b45f0ba6ff254d1609a83.jpg)
300
Vaccinations stimulate the release of ___________. These are specific proteins that mark pathogens for destruction.
Antibodies 
300
Moving up one level of the trophic pyramid 90% of energy is lost as _________, ________ or is _________ by the organism.
heat, waste, used by the organism 
300
Carbon dioxide is an input for ____________
Photosynthesis
300
Organs in the human body are similar to ____________ in cells.
Organelles
300
Describe the role of the placenta for a developing organism.
Supplies oxygen and essential nutrients, releases waste.
400
Define antigen
A substance on the surface of a pathogen that triggers an immune response
400
The NYC rat has a specific role in its ecosystem. It survives by feeding on garbage and nesting in sewers or burrows in various parks. This describes its ________.
Niche
400
State the name and function of this organelle
Mitochondria, produces ATP through cellaur respiration
400
A species with a high level of genetic diversity is less likely to survive in a change environment then one with low genetic diversity (true/false)
False. Genetic diversity is critical for survival
400
Male reproductive hormones are produced in the
Testes
500
Describe why an individual with AIDS is more likely to wear a mask in crowded spaces during flu season.
HIV (the virus that causes aids) weakens the immune system. The flu is significantly more dangerous to someone with HIV because of this.
500
State two impacts on the ecosystem below if the population of goats decreased 
Decrease in Jackals, increase in green plants
500
State the name and function of this organelle
Chloroplast, produces glucose through photosynthesis
500
State what two factors can cause a protein or enzyme to denature
Temperature & Ph
500
Based on the diagram below describe the role of estrogen and progesterone in female reproduction. 
Estrogen: thickens uterine lining
Progesterone: maintains uterine lining