Instruction: Write the word true if the given statement is correct, otherwise, write the
word false.
____________ 1. Species evenness can be expressed in terms of proportion.
____________ 2. Indigenous species are also called native species. They exist in an
ecosystem because of natural processes like natural distribution.
____________ 3. Introduced species are generally unable to quickly move into new habitats,
making them at risk for extinction when their habitat is threatened.
____________ 4. Endemic species are not native to an area. They are introduced usually by
human intervention, which could be intentional or not. Introduced species
can sometimes be invasive.
____________ 5. Every species has a role and varying relationships with other species in an
ecosystem.
____________ 6. Genetic diversity refers to the variety of genes within a single species.
____________ 7. Members of this population expressed different genes resulting in
different environment.
____________ 8. The interaction of biotic and abiotic components within an area makes up
an ecosystem.
____________ 9. Having a high ecosystem diversity is preferable since it suggests high
diversity for the lower levels as well.
____________10. The Philippines’ ecosystem diversity is considered high since the country
has rainforests, vast grassy plains, marine and freshwater habitats, and
temperate uplands.
