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ENSP 2000 Test 2
| Question | Answer |
|---|---|
| The cells of all plants have: | chloroplasts and mitochondria, and use carbohydrates to power their functions. |
| Which of the following is a difference between cellular respiration and anaerobic respiration? | Only cellular respiration uses oxygen to break down carbohydrates. |
| Photosynthesis is essential to most ecosystems because it produces __________, which are used in cellular respiration by most prokaryotes and eukaryotes. | oxygen and carbohydrates |
| Which of the following are found in the cells of a dog, but not in the bacteria that are found on a dog's fur? | membrane-enclosed nucleus and mitochondria |
| In both photosynthesis and chemosynthesis: | carbohydrates are produced. |
| In asexual reproduction, ________. | the offspring have identical DNA |
| Genetic diversity of individuals within a species is due to __________ and __________ . | sexual reproduction, mutations |
| In a litter of puppies, the range of sizes in the litter is due to __________ and __________. | genetics, environment |
| As a population increases to near its carrying capacity, __________. | birth rates decline, death rates increase, and the overall rate of population growth declines. |
| In logistic growth, how does population growth change as the population nears its carrying capacity? | Population growth decreases |
| Largemouth bass and rainbow trout are stocked in a small, deep 10-acre pond. The bass are active in 20-30° C water, the rainbow trout prefer water 6-22° C. We expect few places in this pond where the two species interact, because they have different | ranges of tolerance. |
| Why might there be a lot of spacing between the desert plants shown growing in this photo? | The plants exploit water and nutrients preventing other shrubs from establishing in their area. |
| Flying squirrels competing with each other for truffles is an example of ________. | intraspecific competition |
| The complex interactions between trees, owls, fungi, and other organisms in an old-growth forest is a __________. | web |
| Two species of ant compete for limited resources in a front yard until only one species is able to remain. This is an example of __________. | the competitive exclusion principle |
| A species's realized niche __________. | is smaller than its fundamental niche because of the constraints of competition |
| Which of the following represents an example of intraspecific competition? | Two red foxes are fighting over the carcass of a freshly killed rabbit. |
| Which of the following represents an example of intraspecific exploitation competition? | The leaves of the huge hickory tree overshadow the young hickory tree saplings struggling for light just below. |
| Vector | Carry a parasite to other organisms |
| Herbivore | Feed on plants |
| Consumer | Feed on other living organisms |
| Parasite | Live on plants and animals but usually don't kill them |
| Predator | Hunt and kill animals for food |
| Mutualism is ________. | a relationship between two species in which both benefit |
| The symbiosis between a fungus and the roots of a tree is an example of ________. | mutualism |
| In an ecosystem, phytoplankton are _____. | producers |
| An earthworm that feeds on the remains of plants and animals is acting as a _____. | detritivore |
| When a human eats a steak, the human is acting as a _____. | secondary consumer |
| A cow eating grass is an example of a _____. | primary consumer |
| A seal that just ate a clam is eaten by a shark. The shark is acting as a _____. | tertiary consumer |
| Humans are a(n) ________-based life form. | carbon |
| Which of the following is a cause of natural climate change? | Volcanic eruptions |
| Global warming over the past 200 years is most closely associated with __________. | the industrial revolution |
| Which of the following sources contributes the least to the emission of greenhouse gases? | Waste disposal |
| In Brazil, what is the primary cause for increase in CO2 in the atmosphere? | Deforestation |
| Which of the following is the most abundant natural greenhouse gas? | Water vapor |
| The major source(s) of chlorofluorocarbons (CFCs) in the atmosphere was/were ________. | refrigerants, solvents and spray propellants |
| The most abundant greenhouse gas, which is not considered to be adding to global warming, is __________. | water vapor |
| What is a growing concern related to sea level rise? | Eroding shorelines in coastal areas |
| Impacts of global warming include all of the following except ________. | decrease in mortality because winter is warmer |
| Global warming leads to rising sea levels. About half of the increase in sea levels is due to __________. | the expansion of heated water |
| The best description of anthropogenic activities is ________. | all activities by humans affecting the Earth and its biosphere |
| Transportation efficiency refers specifically to ________. | employing more hybrid vehicle technology |
Created by:
reredd