What does the original source of energy come from?
The sun
What is an animal that kills and eats other animals?
Predator
What is the study of the interaction of organisms and their environment?
Ecology
Term for the average, year-after-year weather conditions in a region
climate
Today, what provides the best evidence for determining evolutionary relatedness among humans and other primates?
DNA sequences
Energy is passed from primary consumers to secondary consumers via what?
Consumption
Nonliving parts of the environment that affect organisms
Abiotic
What do you call a group of organisms that can breed and produce fertile offspring?
A Species
Name the biome that has a permafrost layer, snowfall, and small plants?
Tundra
Which evolutionary evidence can you directly observe?
Bacterial resistance to antibiotics
They consume other organisms
heterotrophs
What do food chains show the flow of?
Energy
What is an example of an abiotic limiting factor of a population?
Soil and Weather
All the parts of earth where life exists
biosphere
Forelimbs of humans and bats are ______ structures that support common ancestry and adaptations for different movements.
homologous
What trophic level produces its own energy using the energy from the sun?
Producers
What is a autotroph?
An organism that makes its own food by photosynthesis and or chemosynthesis
What factors limit the size of a population?
Food and water, predators, and shelter
Which biome is located near the equator?
Tropical Rain forest
Most of us must have our wisdom teeth extracted. What term describes features that seem to loose function over time?
vestigial
The flow of H2O, Carbon, and Nitrogen is.....
Cyclic
On average, how much energy is passed on to the next trophic level from the previous?
10%
What is an example of a biotic limiting factor of a population?
Predators and Mountains
Which biome covers about one fifth of our planet?
Desert
How well an organism is adapted to its environment, reflected by reproductive success, is called...
fitness