Honors Biology- Ecology Exam
Questions and Answers | 100% Pass
What is ecology? - Answer✔️✔️-the study of interactions between organisms and
between the environment
Define ecosystem - Answer✔️✔️-abiotic and biotic factors that make up the ecosystem;
community of interacting organisms and their physical environment
What is the difference between a population and a community? - Answer✔️✔️-
Population- group of individuals of the same species
Community- all populations of different species that live and interact in the same area
Compare and contrast biotic and abiotic factors. List 2 examples - Answer✔️✔️-biotic-
living ex: eukaryotic and prokaryotic organisms
abiotic- nonliving ex: Ph, temperature
Contrast between a food chain and a food web - Answer✔️✔️-Food chain- a simple food
path involving a sequence of organisms, each of which is for the next
Food web- multiple food chains that are interconnected, and are more complex than
food chains
List the order of the food chain according to what tropic level each is on, and also put
the names of animals at each level. - Answer✔️✔️-1st Level- Autotroph GRASS
2nd Level- Primary Consumer BUNNY
3rd Level- Secondary Consumer PERSON
Page 1 of 5
, ©EMILLYCHARLOTTE 2024-2025 September 14, 2024 12:27 PM
4th Level- Tertiary BEAR
Define herbivore, carnivore, and omnivore - Answer✔️✔️-H- eats plants
C- eat meat
O- feeds on plants and animals
Define a trophic level - Answer✔️✔️-each of several hierarchical levels in an ecosystem,
comprising organism that share the same function in the food chain and the same
nutritional relationship
What is the 10% rule? - Answer✔️✔️-only 10% of the energy in one trophic level is
maintained to the next
Where does the other 90% go? - Answer✔️✔️-heat and waste
Define biomass - Answer✔️✔️-the dry weight of all organic matter contained in the
organisms within an organism
Biomass Pyramid - Answer✔️✔️-shows the amount of living tissue available at each
trophic level
Numbers Pyramid - Answer✔️✔️-shows the number of species at each trophic level
Energy Pyramid - Answer✔️✔️-only 10% of energy is available within one trophic level is
transferred to the next
What are the type of Ecological pyramids? Define Ecological pyramids - Answer✔️✔️-
Biomass, Numbers, Energy
diagram that shows the amounts of matter contained in each trophic level in the food
web or chain
Page 2 of 5