Question

3.011) the best way to combat invasive species is to ___.
a. physically remove them from an area
b. use another invasive species to get rid of them
c. use a disease to get rid of them
d. prevent them from entering an area
3.012) the spotted knapweed produces chemicals which stop the growth of nearby plants. this plant is most likely an ___.
a. invasive species
b. endemic species
c. exotic species
d. indigenous species
3.013) the santa cruz kangaroo rat is only found in the santa cruz sandhills in california. this animal is an ___.
a. invasive species
b. exotic species
c. endemic species
d. indigenous species
3.014) new species can be naturally introduced to an area by ___.
a. boats
b. humans
c. wind
d. ice
fill in the blanks using the best words from the box below.
carl linnaeus binomial nomenclature class endemic
invasive nomial nomenclature genus species
accident charles darwin purpose
3.015) ____________________ species are generally the most vulnerable to extinction.
3.016) ____________________ species cost the united states $138 billion every year.
3.017) ____________________ denotes similarities in skeletal structure in vertebrates.
3.018) ________________________________ came up with our current species classification system.
3.019) most invasive species are introduced on ________________________________.
3.020) organisms are named using ________________________________.

Explanation:

• 3.011: Preventing invasive species from entering an area is the best approach as it stops the problem at the source. Physical removal (A) can be difficult and incomplete. Using another invasive species (B) or a disease (C) can have unforeseen negative impacts.
• 3.012: Invasive species often have traits like producing chemicals to out - compete native plants. Endemic (B) means native to a specific area. Exotic (C) just means non - native, but invasive implies harm. Indigenous (D) is native.
• 3.013: Endemic species are found only in a particular, usually small, geographic area. Invasive (A) are harmful non - natives. Exotic (B) are non - natives. Indigenous (D) are native but not necessarily restricted to a small area.
• 3.014: Wind is a natural means of species introduction. Boats (A) and humans (B) are human - related. Ice (D) is not a common natural introduction method for most species.
• 3.015: Endemic species have a limited range, making them more vulnerable to local threats like habitat loss.
• 3.016: Invasive species cause economic damage through impacts on agriculture, infrastructure, etc.
• 3.017: Homology (though not in the box, but based on the description of skeletal similarities in vertebrates). If we assume it's a typo and should be from the box, there might be an error. But if we consider the options, maybe "class" is a stretch (class is a taxonomic rank, but not directly about skeletal similarity).
• 3.018: Carl Linnaeus developed the binomial nomenclature system which is the basis of the current species classification system.
• 3.019: Most invasive species are introduced on purpose (e.g., for agriculture, horticulture) rather than by accident.
• 3.020: Binomial nomenclature is the system used to name organisms with a genus and species name.

Answer:

3.011) D. prevent them from entering an area
3.012) A. invasive species
3.013) C. endemic species
3.014) C. wind
3.015) Endemic
3.016) Invasive
3.017) (Assuming an error, if forced from the box, no perfect fit. But if we consider the concept, maybe a wrong - boxed question. If we ignore and go by knowledge, homology. But with the given box, no correct term. If we assume it's a misprint and should be from the box, perhaps no answer. But for the sake of the exercise, if we consider "class" (though not accurate), but more likely a question error)
3.018) Carl Linnaeus
3.019) purpose
3.020) binomial nomenclature