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Part Two: Spring Final

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Across
The MOST energy is at this trophic level.
Scientists use DNA and what to support the theory that species share a common ancestor.
Water is considered this type of factor in an ecosystem.
The ability to survive, reproduce, and have offspring that survives describes this.
When a population has low genetic variation, it will have problems doing this.
A non-native species is introduced to a new area. This would cause an increase in _____
A whale's pelvic bone is an example of this type of structure.
This type of organism is responsible for the breakdown and recycling of organic material.
Every organism, no matter the diet, depends on these.
Each trophic level will only receive this percentage of energy from the previous trophic level.
A group of different species living together in a particular place.
Down
Plant -> Mouse -> Snake describes this type of flow.
Traits are based on improving this primary factor.
This type of capacity allows for a certain number of organisms to be supported in an ecosystem.
From low to high is how energy does this in a food chain.
Selected pressures include: Competition, predation, climate, environment, food availability and _________.
Survival of the fittest is important because you want to REMOVE these types of traits.
Many different types of isolation leads to this.
These are always at the base of all trophic levels.
Natural ___________ is where an organism inherits beneficial adaptations.