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Biodiversity - Part 3
1
of
25
💡
Hints:
3
Q1. Which are major human causes of extinctions?
A. pollution
B. habitat destruction
C. invasive species
D. breeding for zoos
Q2. A scientific study counted more ant species near the equator than near the North Pole, which demonstrates a natural pattern called the ___
A. habitat fragmentation
B. latitudinal gradient
C. mass extinction
Q3. This phyla obtains oxygen through gills, lives in water, uses fins to move, and is the largest class of vertebrates. Identify the phyla.
A. Fish
B. Amphibians
C. Reptiles
D. Mollusks
Q4. Waterfowl: birds that ___ in water
A. live
B. sleep
C. eat
D. swim
Q5. The number of different species and the relative abundance of each species in a biological community.
A. Biodiversity
B. Genetic diversity
C. Species diversity
D. Ecosystem diversity
Q6. Which biome has a dry season and a wet season?
×
A. tundra
B. tropical rain forest
C. desert
D. savanna
Q7. If a species is only found in one place on Earth we call it a(n) ___
A. Local species
B. Lonesome species
C. Allopatric species
D. Endemic species
Q8. When an animal disappears on a continent and not the whole global it is called?
A. extinction
B. endangered
C. extirpation
D. threatened
Q9. The lower the biodiversity, the greater the sustainability. true or False?
A. TRUE
B. FALSE
Q10. Tick the appropriate feature of vertebrate Amphibian.
A. Cold-blooded (Poikilothermic)
B. Covered with moist skin
C. Lays eggs with a shell
D. Undergoes external fertilisation
Q11. Which level of biodiversity may still be reduced after a species recovers from a threat to its survival?
A. ecosystem diversity
B. genetic diversity
C. population diversity
D. species diversity
Q12. What is genetic diversity?
A. the variety of living things in an area
B. the variety of DNA within a species
C. the similarities within a species
D. the similarities among species in an area
Q13. Who is your favorite teacher.
A. Any other 7th grade teacher
B. Any other 6th grade teacher
C. Pizana
D. All
Q14. Largest number of individuals of a population that the environment can support ___
A. carrying capacity
B. population crash
C. lag phase
D. mutualism
Q15. High biodiversity ensures that organisms from different species can mate and create new species.
A. TRUE
B. FALSE
Q16. A volcanic eruption would cause an ecosystem to begin
A. entering a climax community
B. primary succession
C. secondary succession
D. burning everything except the soil
Q17. When the death rate rises and the birth rate lowers ___
A. population increases
B. population decreases
C. population stays the same
D. all of these
Q18. In addition to sunlight, photosynthesis requires ___
A. Water
B. Oxygen
C. Soil
D. Glucose
Q19. At what level of biodiversity are you dealing with if you are interested in studying the diferent breeds of dog?
A. Species diversity
B. Genetic diversity
C. Ecosystem diversity
D. Biodiversity
Q20. The Prickly Pear Cactus can grow in a dry environment because ___
×
A. it is able to store water
B. it has spiny leaves
C. is carnivorous
D. collects salt
Q21. Abiotic factors include all of the following except ___
A. water
B. soil
C. sunlight
D. plants
Q22. Name this protist?
×
A. Euglena
B. Amoeba
C. Paramecium
D. Volvox
Q23. Which of the following biomes has the highest biodiversity?
A. grasslands
B. temperate deciduous forest
C. tropical rain forest
D. deserts
Q24. Benefits of biodiversity include:
A. A greater variety of crops
B. Ecosystems recover quicker from disasters
C. Natural sustainability for all life forms
D. All of the above
Q25. There are more bacteria in a Class than a
×
A. DOMAIN
B. KINGDOM
C. PHLYUM
D. ORDER
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