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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
Ecology, biogeography, population biology, etc.
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The intimate and protracted association between two or more organisms of different species is ...
The intimate and protracted association between two or more organisms of different species is ...
The intimate and protracted association between two or more organisms of different species is referred to as
A) mutualism.
B) parasitism.
C) commensalism.
D) symbiosis.
melaa   34   1 Reply
6 years ago
Plants that rely on ants to disperse their seeds have an ant-attracting food body on the seed coat ...
Plants that rely on ants to disperse their seeds have an ant-attracting food body on the seed coat ...
Plants that rely on ants to disperse their seeds have an ant-attracting food body on the seed coat referred to as a(n) ________.
mat   78   1 Reply
6 years ago
An animal that feeds upon nectar is referred to as a(n) ________.
An animal that feeds upon nectar is referred to as a(n) ________.
An animal that feeds upon nectar is referred to as a(n) ________.
mat   40   1 Reply
6 years ago
A lichen consists of a(n) ________ and an alga (or, in some cases, a cyanobacterium).
A lichen consists of a(n) ________ and an alga (or, in some cases, a cyanobacterium).
A lichen consists of a(n) ________ and an alga (or, in some cases, a cyanobacterium).
mat   48   1 Reply
6 years ago
The mutualistic algae that live within the tissues of corals are called ________.
The mutualistic algae that live within the tissues of corals are called ________.
The mutualistic algae that live within the tissues of corals are called ________.
melaa   53   1 Reply
6 years ago
The mutualistic fungi that can live within the roots of certain plants are called ________.
The mutualistic fungi that can live within the roots of certain plants are called ________.
The mutualistic fungi that can live within the roots of certain plants are called ________.
melaa   69   1 Reply
6 years ago
A relationship between two species in which both species benefit is called ________.
A relationship between two species in which both species benefit is called ________.
A relationship between two species in which both species benefit is called ________.
mat   88   1 Reply
6 years ago
After infection occurs, the second line of defense for a host against a parasite, which is elicited ...
After infection occurs, the second line of defense for a host against a parasite, which is elicited ...
After infection occurs, the second line of defense for a host against a parasite, which is elicited when a foreign object, such as a virus or bacterium, enters the bloodstream, is referred to as a(n) ________ response.
mat   58   1 Reply
6 years ago
Plants often react to attacks on their leaves, stems, fruit, or seeds by forming abnormal structures ...
Plants often react to attacks on their leaves, stems, fruit, or seeds by forming abnormal structures ...
Plants often react to attacks on their leaves, stems, fruit, or seeds by forming abnormal structures called ________.
melaa   61   1 Reply
6 years ago
After infection occurs, the first line of defense for a host against a parasite is the ________ ...
After infection occurs, the first line of defense for a host against a parasite is the ________ ...
After infection occurs, the first line of defense for a host against a parasite is the ________ response.
mat   62   1 Reply
6 years ago
A host species that harbors a developmental stage of a parasite, but in which the parasite does not ...
A host species that harbors a developmental stage of a parasite, but in which the parasite does not ...
A host species that harbors a developmental stage of a parasite, but in which the parasite does not reach maturity, is referred to as a(n) ________ host.
melaa   92   1 Reply
6 years ago
The host species in which a parasite becomes an adult and reaches maturity is referred to as a(n) ...
The host species in which a parasite becomes an adult and reaches maturity is referred to as a(n) ...
The host species in which a parasite becomes an adult and reaches maturity is referred to as a(n) ________ host.
melaa   65   1 Reply
6 years ago
Some parasites are transmitted between hosts by an intermediate organism, or ________.
Some parasites are transmitted between hosts by an intermediate organism, or ________.
Some parasites are transmitted between hosts by an intermediate organism, or ________.
melaa   64   1 Reply
6 years ago
________ transmission occurs when a parasite is transferred from one host to another without the ...
________ transmission occurs when a parasite is transferred from one host to another without the ...
________ transmission occurs when a parasite is transferred from one host to another without the involvement of an intermediate organism.
melaa   48   1 Reply
6 years ago
Parasites that live on the skin of their host are called ________.
Parasites that live on the skin of their host are called ________.
Parasites that live on the skin of their host are called ________.
Iridium   95   1 Reply
6 years ago
Relatively large parasites, such as viruses, bacteria, and protozoans, are referred to as ________.
Relatively large parasites, such as viruses, bacteria, and protozoans, are referred to as ________.
Relatively large parasites, such as viruses, bacteria, and protozoans, are referred to as ________.
mat   44   1 Reply
6 years ago
The outcome of an infection is called a(n) ________.
The outcome of an infection is called a(n) ________.
The outcome of an infection is called a(n) ________.
mat   30   1 Reply
6 years ago
A heavy load of parasites is termed a(n) ________.
A heavy load of parasites is termed a(n) ________.
A heavy load of parasites is termed a(n) ________.
Iridium   40   1 Reply
6 years ago
A(n) ________ lives on or within the host organism for some period of its life.
A(n) ________ lives on or within the host organism for some period of its life.
A(n) ________ lives on or within the host organism for some period of its life.
mat   64   1 Reply
6 years ago
Carnivores can have an indirect, positive effect on plants by reducing populations of ...
Carnivores can have an indirect, positive effect on plants by reducing populations of ...
Carnivores can have an indirect, positive effect on plants by reducing populations of herbivores.

True or False?
melaa   40   1 Reply
6 years ago
Some plants are able to attract beneficial insects that act as predators on the herbivores of that ...
Some plants are able to attract beneficial insects that act as predators on the herbivores of that ...
Some plants are able to attract beneficial insects that act as predators on the herbivores of that plant.

True or False?
melaa   59   1 Reply
6 years ago
Quantitative inhibitors in plants are toxic secondary compounds, often causing herbivores to avoid ...
Quantitative inhibitors in plants are toxic secondary compounds, often causing herbivores to avoid ...
Quantitative inhibitors in plants are toxic secondary compounds, often causing herbivores to avoid their consumption.

True or False?
Iridium   68   1 Reply
6 years ago
Most grasses tolerate grazing and actually benefit from it (True or false?)
Most grasses tolerate grazing and actually benefit from it (True or false?)
Most grasses tolerate grazing and actually benefit from it.

True or False?
Iridium   55   1 Reply
6 years ago
If defoliation of trees is complete, the leaves that regrow are often larger than the original ...
If defoliation of trees is complete, the leaves that regrow are often larger than the original ...
If defoliation of trees is complete, the leaves that regrow are often larger than the original leaves.

True or False?
mat   40   1 Reply
6 years ago
Herbivory does not affect a plant's ability to survive (True or false?)
Herbivory does not affect a plant's ability to survive (True or false?)
Herbivory does not affect a plant's ability to survive.

True or False?
mat   52   1 Reply
6 years ago
Pursuit hunting requires minimal search time (True or false?)
Pursuit hunting requires minimal search time (True or false?)
Pursuit hunting requires minimal search time.

True or False?
melaa   47   1 Reply
6 years ago
Cryptic coloration is a strategy employed only by prey (True or false?)
Cryptic coloration is a strategy employed only by prey (True or false?)
Cryptic coloration is a strategy employed only by prey.

True or False?
mat   63   1 Reply
6 years ago
Acoustic mimicry by some nonvenomous snakes that rattle their tails like rattlesnakes is a form of ...
Acoustic mimicry by some nonvenomous snakes that rattle their tails like rattlesnakes is a form of ...
Acoustic mimicry by some nonvenomous snakes that rattle their tails like rattlesnakes is a form of Müllerian mimicry.

True or False?
Iridium   56   1 Reply
6 years ago
Some animals acquire their toxic chemical compounds from plants that they consume (True or false?)
Some animals acquire their toxic chemical compounds from plants that they consume (True or false?)
Some animals acquire their toxic chemical compounds from plants that they consume.

True or False?
mat   51   1 Reply
6 years ago
As prey species evolve more effective means to avoid being caught, predators evolve more effective ...
As prey species evolve more effective means to avoid being caught, predators evolve more effective ...
As prey species evolve more effective means to avoid being caught, predators evolve more effective means to capture them.

True or False?
mat   67   1 Reply
6 years ago
The risk of predation can sometimes have a significant impact on the foraging choices made by ...
The risk of predation can sometimes have a significant impact on the foraging choices made by ...
The risk of predation can sometimes have a significant impact on the foraging choices made by animals.

True or False?
Iridium   67   1 Reply
6 years ago
It is difficult to quantify the consequences of a specific behavioral choice on the probability of ...
It is difficult to quantify the consequences of a specific behavioral choice on the probability of ...
It is difficult to quantify the consequences of a specific behavioral choice on the probability of survivorship and reproduction.

True or False?
melaa   49   1 Reply
6 years ago
The amount of time an organism spends foraging must be balanced against other time constraints, such ...
The amount of time an organism spends foraging must be balanced against other time constraints, such ...
The amount of time an organism spends foraging must be balanced against other time constraints, such as defense, avoiding predators, searching for mates, or caring for young.

True or False?
Iridium   73   1 Reply
6 years ago
Most predator populations grow slowly in comparison to those of their prey (True or false?)
Most predator populations grow slowly in comparison to those of their prey (True or false?)
Most predator populations grow slowly in comparison to those of their prey.

True or False?
mat   73   1 Reply
6 years ago
One explanation for the shape of the Type II functional response is that predators develop a search ...
One explanation for the shape of the Type II functional response is that predators develop a search ...
One explanation for the shape of the Type II functional response is that predators develop a search image for prey after they have encountered them.

True or False?
melaa   29   1 Reply
6 years ago
A Type III functional response is the most commonly reported for predators (True or false?)
A Type III functional response is the most commonly reported for predators (True or false?)
A Type III functional response is the most commonly reported for predators.

True or False?
mat   36   1 Reply
6 years ago
A Type I functional response leads to regulation of the prey population by the predator.True or ...
A Type I functional response leads to regulation of the prey population by the predator.True or ...
A Type I functional response leads to regulation of the prey population by the predator.

True or False?
melaa   34   1 Reply
6 years ago
The response of a predator's consumption rate to prey density is a key factor as to whether a ...
The response of a predator's consumption rate to prey density is a key factor as to whether a ...
The response of a predator's consumption rate to prey density is a key factor as to whether a predator can regulate a prey population.

True or False?
melaa   47   1 Reply
6 years ago
The Lotka-Volterra model of predator-prey interactions assumes a mutual regulation of predator and ...
The Lotka-Volterra model of predator-prey interactions assumes a mutual regulation of predator and ...
The Lotka-Volterra model of predator-prey interactions assumes a mutual regulation of predator and prey populations.

True or False?
mat   102   1 Reply
6 years ago
In the Lotka-Volterra equations that represent predator-prey interactions, predators are a source of ...
In the Lotka-Volterra equations that represent predator-prey interactions, predators are a source of ...
In the Lotka-Volterra equations that represent predator-prey interactions, predators are a source of density-independent mortality for prey.

True or False?
melaa   65   1 Reply
6 years ago
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