SCOTT CROUSILLAC QUESTIONS &
CORRECT ANSWERS
How many species are there? - Correct Answer ✔✔ 1.8 million
The most important theme in biology - Correct Answer ✔✔ Evolution
All living things are capable of _______ - Correct Answer ✔✔ Evolving
The most poorly defined characteristic of biology - Correct Answer ✔✔ Evolution
Changes in the genetic makeup of a population over time (sometimes due to natural
selection) - Correct Answer ✔✔ Evolution
________ selects for a trait that is already present - Correct Answer ✔✔ Natural
Selection
T or F: Evolution is just a theory? - Correct Answer ✔✔ True
There are _________ in every species - Correct Answer ✔✔ Variations
This comes from genes - Correct Answer ✔✔ Variations
This means some are suited better for survival - Correct Answer ✔✔ Variations
Survival of the fittest - Correct Answer ✔✔ Natural Selection
All of the environments on Earth that are inhabited by life
EX: land, water, atmosphere layers - Correct Answer ✔✔ Biosphere
All living things in a particular area, along with non-living environmental components
with which life interacts
EX: soil, water, air components, light - Correct Answer ✔✔ Ecosystems
All living things in an ecosystem
EX: Students & Bacteria in a classroom - Correct Answer ✔✔ Community
Individual species living within the bounds of a particular area
EX: Students in a classroom - Correct Answer ✔✔ Population
Individual living things - Correct Answer ✔✔ Organism