ahhhhhhhhhhhhhhhhhhhh
21. You are trying to decide on a conservation plan for a large national park. Which of the species below is likely to be the biggest conservation concern and important to consider first?
A large predator that lives on huge territories and has only 2-3 offspring per litter
19. Cone-bearing trees are characteristic of the ____.
Coniferous forest
13. Which of the following examples represents primary ecological succession?
Cooled volcanic lava
6. The diagram shows several species of birds and the trees on which they feed, with the parts of the trees in which each species lives highlighted in yellow. When organisms use different parts of the tree to feed like this, does it result in increased or decreased interspecific competition or decreased intraspecific competition? What is the name for this pattern?
Decreased interspecific Resource Partitioning
17. Which of the following more influence the moist air or tropical rainforests
Hadley Cells
2. Which species would be faster at adapting to a new environment: one with low genetic diversity or one with high genetic diversity? Explain your answer.
High probably has the genes in its gene pool for a new environment
3a. Would a couple of elephants introduced into a new national park have a long or short lag phase?
Long lag phase - slow generation (↓ birth rate) (K)
5. Fragmentation can hurt predators like bears and tiny birds like warblers. They are hurt for different reasons, explain these reasons below. Predators: Warblers:
Predators: Not Enough energy in system Wablers: Edge effect -> inbreeding and increase predators like raccoons and crows
30. Forest fires cause the seeds of some tree species to germinate.
True
1. Explain why genetic variation is necessary for evolution to take place.
Variation first enivorment selects best variations/adaptations to live/breed
How should local government reduce fragmentation for larger animals?
build places where they can travel to different regions if fragmented or have few big parks than many small parks.
4. Label the different biomes:
dark green Coniferous/Tiaga Orange Tropical Temperate Dessert light green Tropical decious forest Purple Tropical rainforest light blue Tundra Yellow Grassland
7. Competition within a species is called ____.
intraspecific competition
9. Species that have a capacity for a high rate of population increase are called ____.
r-selected species
6. Territorial animals tend to have ________ distribution.
uniform
27. Which practice would make forestry less sustainable?
Clear old-growth forests for tree plantations.
4. ____ is the first step needed in speciation.
Geographic isolation
23. What does the Convention on International Trade in Endangered Species (CITES) specifically address?
It bans the hunting, capturing, and selling of threatened or endangered species.
29. A forested slope is set to be logged. Which method will reduce disturbance, such as erosion and pollution, of a stream at the base of the slope from excess sediment?
Retention harvesting
24. Which type of fires usually burn only undergrowth and leaf litter on the forest floor?
Surface fires
28. What activity involves dragging huge nets weighted down with chains and steel plates over the ocean floor to harvest a few species of bottom fish and shellfish?
Trawler fishing
10. Some bats prey on certain moths, hunting them using echolocation. Some of those moths have evolved ears sensitive to the sound frequencies bats use to locate them, helping them to avoid being caught. The bats, in turn, have evolved to change the frequency they use. This interaction is an example of
coevolution
8. Giant African millipedes often serve as the home for small mites that scavenge organic matter, but the millipedes do not appear to be affected by the interaction. This is an example of ____.
commensalism
11. Which of the following could be considered a density-dependent limiting factor?
disease
16. The rain shadow effect refers to ____.
drier conditions on the leeward (facing away from the wind) side of mountain ranges
15. The transition zone between two ecosystems or biomes is called a(n) ____.
ecotone
2. A trait that creates a specific advantage for some organisms in the struggle to survive ____.
enables individuals with the trait to leave more offspring than the other members of the population leave
25. Tropical forests in the Amazon and other South American countries are cleared or burned primarily
for cattle grazing and large soybean plantations
1. Species with broad niches are described as ____ species.
generalist
3. We can say that on a long-term basis, ____ has especially helped life on the earth to adapt to drastic changes in environmental conditions.
genetic diversity
22. The Endangered Species Act was designed to ____.
identify and protect all endangered species in the United States
5. Most species identified to date are____.
insects
22. The greatest threat to most species is ____.
loss of habitat
26. Natural ecological restoration of riparian areas can happen if ____.
overgrazed land is protected through rotational grazing
18. A grassland with widely scattered clumps of trees located near the equator would be called a ____.
savanna
12. A population of deer suddenly decreases dramatically in number. This most likely occurred because
the population increased beyond its carrying capacity
20. The current rate of extinction is ____ , compared to the historical background extinction rate.
up to 1,000 times higher
14. Temperate deciduous forests typically have ____.
warm summers, cold winters, and abundant precipitation
