Question 29 Which of the following are threats to species diversity in an ecosystem? destruction of habitat climate change all answers (above and/or below) natural disaster O introduction of exotic species

Question 12 Primary productivity is most limited in the depths of the ocean by solute concentration O temperature chemical composition of the sea floor light availability

Question 2 A species that has a disproportionately large influence on the structure of its community relative to its abundance or size is considered a O Keystone species O bottom-up control O climax species O resilient species A Moving to another question will save this response. 4. 6. 8. Q W T Y A S D # 3M

QUESTION 12 Large 6 lane highways act as a dispersal filters for land mammals, which observation would be correct about this type of dispersal barrier? O the highways promote the movement of deer across the because of the deer crossing signs O the highways limit dispersal to only the most mobile species O the highways completely cut off all mammal dispersal O a large percentage of mammals took advantage of low car densities during the Covid-19 lockdown to cross the highway. QUESTION 13 Click Save and Submit to save and submit. Click Save All Answers to save all answers.

QUESTION 33 What is the taxonomic order to which humans belong? O felidae O mammalia O primates O homo QUESTION 34 To what taxonomic genus do humans belong? O sapiens O chordata O homo O mammalia QUESTION 35 The Cladistic Taxonomy shows that: O all apes (and humans) shared a common ancestor O gorillas and chimps are more closely related to humans than to orangutans humans shared a common ancestor with chimps more recently than with gorillas all of the above O000

Question 37 On Earth, places where the air masses are descending are most likely to be which type of ecosystem? tropical rain forest temperate forest desert arctic tundra

Question 46 All of the following characteristics would define a boreal forest EXCEPT one of the largest biomes in terms of square miles of area conifers, pines, and spruce trees are very prevalent very moist because of permafrost, despite a lack of abundant precipitation usually located within 10 degrees of the equator

Question 18 In which terrestrial biome is animal diversity the highest? desert tropical forests chaparral savanna

Question 10 Which of these is evidence that we are in a mass extinction event? O The extinction rate of organisms is significantly higher than background rates of extinction Animals are evolving faster now than before Animals are evolving slower now than before All of the above

QUESTION 43 At least half of the known species of terrestrial plants and animals are found ____.   a. in both temperate and tropical rainforests   b. evenly distributed amongst the biomes of the earth   c. in deciduous forests   d. only in tropical rainforests   e. only in temperate rainforests