|
|
A human eats a deer. Which of these terms applies to the relationship between the human and the deer? (Activity 53A)
|
| predation |
| competition |
| parasitism |
| commensalism |
| mutualism |
|
|
|
Humans and shark both eat fish. Which of these terms applies to the relationship between the human and the shark? (Activity 53A)
|
| predation |
| competition |
| parasitism |
| commensalism |
| mutualism |
|
|
|
Humans
who have pets tend to be healthier than humans who do not have pets. Which
of these terms applies to the relationship between a human and a pet? (Activity 53A)
|
| predation |
| competition |
| parasitism |
| commensalism |
| mutualism |
|
|
|
Which of these terms applies to the relationship between a dog and a blood-sucking tick? (Activity 53A)
|
| predation |
| competition |
| parasitism |
| commensalism |
| mutualism |
|
|
|
An
egret eats insects stirred up by grazing animals. Which of these terms applies
to the relationship between the egret and the grazing animal? (Activity 53A)
|
| predation |
| competition |
| parasitism |
| commensalism |
| mutualism |
|
|
|
In an ecosystem, phytoplankton are _____. (Activity 53B)
|
| producers |
| primary consumers |
| secondary consumers |
| tertiary consumers |
| detritivores |
|
|
|
An earthworm that feeds on the remains of plants and animals is acting as a _____. (Activity 53B)
|
| producer |
| primary consumer |
| secondary consumer |
| tertiary consumer |
| detritivore |
|
|
|
When a human eats a steak, the human is acting as a _____. (Activity 53B)
|
| producer |
| primary consumer |
| secondary consumer |
| tertiary consumer |
| detritivore |
|
|
|
A cow eating grass is an example of a _____. (Activity 53B)
|
| producer |
| primary consumer |
| secondary consumer |
| tertiary consumer |
| detritivore |
|
|
|
A human who just ate a hamburger is eaten by a shark while swimming. The shark is acting as a _____. (Activity 53B)
|
| producer |
| primary consumer |
| secondary consumer |
| tertiary consumer |
| detritivore |
|
|
|
Which of these is a starting point for primary succession? (Activity 53C)
|
| a surface exposed by a retreating glacier |
| abandoned farmland |
| an abandoned city |
| a neglected yard |
| none of these is a starting point for primary succession |
|
|
|
According
to island biogeography, what is the relationship between an island's distance
from the mainland and the number of species present on the island? (Activity 53D)
|
| The closer an island is to the mainland, the fewer the number of species found on the island. |
| The further an island is from the mainland, the larger the number of species found on the island. |
| The further an island is from the mainland, the fewer the number of species found on the island. |
| The
closer an island is to the mainland, the fewer the number of species found
on the island; and the further an island is from the mainland, the larger
the number of species found on the island. |
| There is no relationship between the distance from the mainland and the number of species found on an island. |
|
|
|
Why is a new island more hospitable to colonizers than an older island is? (Activity 53D)
|
| Competition is more intense on the newer island. |
| Predation is less of a factor on older islands. |
| The extinction rate is higher on the newer island. |
| Competition is less intense on the newer island. |
| The intensity of both competition and predation is less on the newer island. |
|
|
|
What is the relationship between colonizing success and the number of species already established on an island? (Activity 53D)
|
| As the number of established species on an island decreases, colonizing success also decreases. |
| There is no relationship between the number of established species on an island and colonizing success. |
| As the number of established species on an island increases, colonizing success also decreases. |
| As the number of established species on an island increases, colonizing success also increases. |
| As
the number of established species on an island decreases, colonizing success
also decreases; and as the number of established species on an island increases,
colonizing success also increases. |
|
|
|
The number of species on an island remains relatively constant when _____. (Activity 53D)
|
| the rate of successful colonization is less than the extinction rate |
| the rate of successful colonization equals the extinction rate |
| the rate of successful colonization is greater than the extinction rate |
| species richness increases |
| none of these occur |
