Classification
What is the smallest unit of classification?
The individual
Explain the role of a decomposer like bacteria and fungi.
they are important because they break down dead material into nutrients
What is the name of the double helix molecule which carries your traits
DNA ( deoxyribonucleic acid)
Give an example of an adaptation of a desert organism.
various answers: nocturnal, burrow underground, form relationships, thick skin, low water need, etc
Name any negative human impact to the environment.
Answers may vary:
deforestation, global warming, habitat destruction, pollution, trash, overhunting, chemical contamination, over farming,
What is a population?
All the members of the same species.
What are 3 shapes of bacteria?
cocci ( circular), baccilus ( rods), and spirilla
( spirals)
List 3 phenotypes of a dog
answers vary- traits we can see
List 2 abiotic factors found in all biomes
rainfall, temperature, humidity, soil type, elevation
Explain the moth and the impact of Industrial Melanism?
Name of the order from smallest to largest classification.
individual, population, community, ecosystem, biome
How do you calculate magnification for a light microscope?
multiply the lens x eyepiece magnifications
What do we call the section of DNA that codes for a protein ( possibly a trait)?
a gene
Name the levels of the food pyramid starting from the bottom up. List 4 levels.
producers, primary ( 1 ) consumers, secondary(2) consumers, tertiary ( 3 ) consumers,
Decomposers can be found at all levels.
Name a positive human impact.
Answers may vary:
re-planting trees, creating coral islands, recycle programs, reducing trash, environmental regulations, clean up efforts, cleaner vehicles, less burning of fossil fuels
What did we use to classify the organism with its genus and species?
a dichotomous key
True or False: Protists are unicellular.
true
Which is the homozygous dominant genotype?
AA Aa aa
AA
Compare a food chain with a food web
food chain contains one line of energy flow
Sun->producer-> primary consumer -> secondary consumer -> decomposer
food web includes all the food chains in an ecosystem
When is the name of the substance in Petri dishes that provides nutrients to microorganisms?
Agar
What is the difference between community and biosphere
community is one level of organization which includes all the populations in one area.
Biosphere is all the living elements of the Earth.
Explain the difference between an autotroph and a heterotroph
autotrophs make their "food" energy with energy from the Sun and hetertrophs need to eat to get their energy
What is a mutation? List 3 types.
A change in the DNA.
Answers will vary: change in one base pair, remove or add small section of DNA, piece of DNA added or removed from chromosome, jumping gene
Give an example of a biotic organism in a chemical cycle
carbon cycle - animals and plants
nitrogen cycle - bacteria
phosphorus cycle - bacteria & plants
water - plants and animals
What is the chemical reaction of photosynthesis? What is the source of energy for this reaction? Does not need to be balanced, but extra point if balanced.
6CO2 + 6 H2O --> C6H12O6 + 6 CO2
Uses sunlight for energy