Question

14.If a forest ecosystem is removed through clear-cutting, many species of organisms that lived in that ecosystem disappear. Their loss is due to ________________________.
15.When fossil fuels are burned, they produce ________________, the main greenhouse gas responsible for global warming trends.
will reward+fan

Answer 1

I don't really know how to make these any more simple than they already are.. Deforestation and carbon dioxide

Answer 2

so the frist is deforestation and 2. one carbon dixiode

Answer 3

Yep

Answer 4

okay stay herew i have more

Answer 5

1.Which of the following could be true of two different species that have a competitive relationship in the same ecosystem?
A.One species preys on the other.
B.The relationship is mutually beneficial.
C.They share the same niche.
D.One species benefits, while the other is neither helped nor harmed.***

2.A biologist studying a desert ecosystem observes that the population of a lizard species increases following a particularly hot, dry period that causes a snake population to decline. What could the biologist hypothesize about the roles of these two species?
A.The lizard preys on the snake.
B.The lizard is a parasite of the snake.
C.The snake and lizard use the same limiting resource.***
D.The snake is a keystone species in the ecosystem

3.A nonnative species of animal is introduced into a healthy ecosystem. In its new environment, this species has no predators, although it preys on several native animals in the ecosystem. Make a prediction about the biodiversity and health of this ecosystem in the future.
A.Biodiversity and ecosystem health will both increase in the future.
B.Biodiversity and ecosystem health will both decrease in the future***
C.Biodiversity will decrease and ecosystem health will increase in the future.
D.Biodiversity will increase and ecosystem health will decrease in the future

4.In an island ecosystem, fox and skunks both hunt mice and toads. Which of the following correctly describes some of these relationships?
A.Skunks and mice have a competitive relationship.
B.Skunks and toads have a predator-prey relationship***
C.Fox and skunks have a predator-prey relationship
D.Toads and mice have a competitive relationship

8.Two species have a relationship with one another in an ecosystem. Suppose one of these two species goes extinct. Which type of relationship did the two have if the surviving species population increases after the other goes extinct?
A.The extinct species was a parasite in a parasitic relationship with the surviving species***
B.The extinct species relied on the surviving species in a commensal relationship
C.The two species had a mutualistic relationship
D.The surviving species preyed on the extinct species

9.Adult birds of one species hatched eggs of another species along with their own eggs, and raised all of the babies together. The foster chicks use a different warning cry than the other chicks. What can you infer about this warning cry?
A.It results from instinct***
B.It results from imprinting
C.It results from trial-and-error learning
D.It results from conditioning

10.Which of the following is a behavioral adaptation of a spider?
A.poisonous venom
B.web spinning***
C.eight legs
D.body color

11.Which of the following is an example of a cyclic behavior that is seasonal?
A.running from predators
B.searching for water
C.hunting at night
D.migrating for warmth***

12.In the western U.S., ranchers aggressively killed wolves because they posed a threat to their cattle. As the wolf population declined, the deer population began increasing. As a result, the surrounding forest ecosystems experienced increasing damage. The large number of deer ravaged vegetation and destroyed young trees. The entire ecosystem became degraded until wolves became protected when they were determined to be an endangered species. Based on this information, what can you infer about the role of the wolves in this ecosystem?
A.They are a pioneer species
B.They are a keystone species***
C.They are a prey species
D.They are a competitive species

13.Which of the following statements correctly states how human activity and biodiversity affect one another?
A.As humans develop land for homes and industry, biodiversity increases
B.As humans restrict fishing and oil drilling, biodiversity decreases
C.As biodiversity decreases, human land development becomes restricted
D.As biodiversity increases, humans receive increased benefits***

Answer 6

@DangerousJesse plz come bsacki need help

Answer 7

Okay, for the first one, are you saying that in a competition, there is a winner but no loser? Are you sure that's correct?

Answer 8

@safyousuff97

Answer 9

omm @safyousuff97 do u know it

Answer 10

i'm not sure one sec

Answer 11

okay

Answer 12

@bbypanda16

Answer 13

who

Answer 14

@bbypanda16

Answer 15

well she say she be here

Answer 16

Which questions do you need answered?

Answer 17

hld these

Answer 18

pellet. give me a few, lol.

Answer 19

1.Which of the following could be true of two different species that have a competitive relationship in the same ecosystem?
A.One species preys on the other.
B.The relationship is mutually beneficial.
C.They share the same niche.
D.One species benefits, while the other is neither helped nor harmed.
2.A biologist studying a desert ecosystem observes that the population of a lizard species increases following a particularly hot, dry period that causes a snake population to decline. What could the biologist hypothesize about the roles of these two species?
A.The lizard preys on the snake.
B.The lizard is a parasite of the snake.
C.The snake and lizard use the same limiting resource.
D.The snake is a keystone species in the ecosystem
3.A nonnative species of animal is introduced into a healthy ecosystem. In its new environment, this species has no predators, although it preys on several native animals in the ecosystem. Make a prediction about the biodiversity and health of this ecosystem in the future.
A.Biodiversity and ecosystem health will both increase in the future.
B.Biodiversity and ecosystem health will both decrease in the future
C.Biodiversity will decrease and ecosystem health will increase in the future.
D.Biodiversity will increase and ecosystem health will decrease in the future
4.In an island ecosystem, fox and skunks both hunt mice and toads. Which of the following correctly describes some of these relationships?
A.Skunks and mice have a competitive relationship.
B.Skunks and toads have a predator-prey relationship
C.Fox and skunks have a predator-prey relationship
D.Toads and mice have a competitive relationship
8.Two species have a relationship with one another in an ecosystem. Suppose one of these two species goes extinct. Which type of relationship did the two have if the surviving species population increases after the other goes extinct?
A.The extinct species was a parasite in a parasitic relationship with the surviving species
B.The extinct species relied on the surviving species in a commensal relationship
C.The two species had a mutualistic relationship
D.The surviving species preyed on the extinct species
9.Adult birds of one species hatched eggs of another species along with their own eggs, and raised all of the babies together. The foster chicks use a different warning cry than the other chicks. What can you infer about this warning cry?
A.It results from instinct
B.It results from imprinting
C.It results from trial-and-error learning
D.It results from conditioning
10.Which of the following is a behavioral adaptation of a spider?
A.poisonous venom
B.web spinning
C.eight legs
D.body color
11.Which of the following is an example of a cyclic behavior that is seasonal?
A.running from predators
B.searching for water
C.hunting at night
D.migrating for warmth
12.In the western U.S., ranchers aggressively killed wolves because they posed a threat to their cattle. As the wolf population declined, the deer population began increasing. As a result, the surrounding forest ecosystems experienced increasing damage. The large number of deer ravaged vegetation and destroyed young trees. The entire ecosystem became degraded until wolves became protected when they were determined to be an endangered species. Based on this information, what can you infer about the role of the wolves in this ecosystem?
A.They are a pioneer species
B.They are a keystone species
C.They are a prey species
D.They are a competitive species
13.Which of the following statements correctly states how human activity and biodiversity affect one another?
A.As humans develop land for homes and industry, biodiversity increases
B.As humans restrict fishing and oil drilling, biodiversity decreases
C.As biodiversity decreases, human land development becomes restricted
D.As biodiversity increases, humans receive increased benefits

Answer 20

those the question and there more

Answer 21

@bbypanda16 u see them

Answer 22

im working on them.

Answer 23

okay

Answer 24

she left @safyousuff97

Answer 25

@triggafingas

Answer 26

@tootzrll

Answer 27

men im going get a 50F

Answer 28

im so sorry its just that i have no idea

Answer 29

ummmmmm... lets see... i dont know this im really sorry :[[[

Answer 30

@ParthKohli
@dan815
@sweetburger

Answer 31

well

Answer 32

@rebeccaxhawaii

Answer 33

im going to get a F

Answer 34

@fantino_italiano

Answer 35

@Pinkybottom67

Answer 36

@ram231

Answer 37

omm @ChantySquirrel1129**

Answer 38

@just_one_last_goodbye