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TLS Online TPP Program

#Question id: 12327

Which  of  the  following  is  the  most  accepted hypothesis as  to  why  invasive  species  take  over  communities into which they have been introduced?

#Section 1: Ecology
  1. Invasive species are more aggressive than natives in competing for the limited resources of the environment.
  2. Invasive species are not held in check by the predators and agents of disease that have always been in place for the natives.
  3. Humans always select which species will outcompete the nuisance native species. 
  4. Invasive species have a higher reproductive potential than native species.
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TLS Online TPP Program

#Question id: 10859

#Section 1: Ecology

Plants that depend upon ants to spread their seeds
TLS Online TPP Program

#Question id: 10893

#Section 1: Ecology

The ___________ holds that two species with the same ecological requirements cannot coexist.
TLS Online TPP Program

#Question id: 16789

#Section 3: Mathematics and Quantitative Ecology

The median of number 50, 48, 47, 48.5, 50.5, 52, 48.8, 46 will be: 
TLS Online TPP Program

#Question id: 11184

#Section 2: Evolution

Eggs that develop into adults without being fertilized are
TLS Online TPP Program

#Question id: 16901

#Section 3: Mathematics and Quantitative Ecology

The best way to determine whether a statistically significant difference in two means is of practical importance is to