When a population of spotted salamanders in an area of vernal pools remains stable for many years and the population has stabilized because of resource limits, then carrying capacity has been reached. density dependence is not involved. predation has decreased. density independence occurs. Exponential growth, when graphed, appears as a(n) straight line. "S" curve. "J" curve. wavy line that goes up and down regularly. A biologist wants to estimate the size of a population of turtles in a lake. She captures 18 turtles on her first visit to the lake, and marks their backs with paint. A week later she returns to the lake and captures 18 turtles. Five of these 18 turtles have paint on their backs, indicating that they are recaptured animals. Using this information, biologist calculate the total salamander population in the lake is about 5 15 2 10 What pattern of population growth corresponds to the principle of a carrying capacity? S-shaped bell-shaped J- shaped a straight line To measure the population of lake trout, 4 Q individual trout were netted and marked with a fin clip, then returned to the lake. The next week, the lake was netted again, and out of the 480 lake trout that were caught, 5 had fin clips. Using the markrecapture estimate, the lake trout population size could be closest to which of the following? 1680 408 50 320 Which of the following methods will provide information to an ecologist about both the size and density of a population? mark and release quadrat life table mark and recapture Ants living in acacia trees attack any predators of the tree. In return, the ants live protected in the thorns of the tree and eat the nectar and protein-rich secretions of the tree. What term describes this relationship? competition commensalism mutualism parasitism A community ecologist might study: all the members of a single species that live together in a single geographic area. the interactions among species living in a single area. the behavior of a species in its natural environment. the rates of increase or decrease in the population size of individual species in different environments. Which term best describes the relationship between leaf cutter ants and the plants? Leaf Cutter Ants Jangle: How Nature Works Frnm Title: (3) Intobase. All rights Reserved. Lengtn: 03:03 mutualism communism commensalism predation Cattle egrets hitch a ride on domestic cows and eat insects that are stirred up by their activity. What term describes this relationship? competition commensalism parasitism predation What role would an owl that eats a seed-eating mouse perform in a food chain? secondary consumer producer primary consumer tertiary consumer The North Atlantic Right Whale, Eubalaena glacialis, was called the "right whale" because they were the best whale for early whalers to kill. They have long baleen and lots of blubber and oil. When killed, they could be towed back to land for processing because they float. They once numbered in the millions, but.

1. When a population of spotted salamanders in an area of vernal pools remains stable for many
years and the population has stabilized because of resource limits, then carrying capacity has
been reached. density dependence is not involved. predation has decreased. density independence
occurs. Exponential growth, when graphed, appears as a(n) straight line. "S" curve. "J" curve.
wavy line that goes up and down regularly. A biologist wants to estimate the size of a population
of turtles in a lake. She captures 18 turtles on her first visit to the lake, and marks their backs
with paint. A week later she returns to the lake and captures 18 turtles. Five of these 18 turtles
have paint on their backs, indicating that they are recaptured animals. Using this information,
biologist calculate the total salamander population in the lake is about 5 15 2 10 What pattern of
population growth corresponds to the principle of a carrying capacity? S-shaped bell-shaped J-
shaped a straight line To measure the population of lake trout, 4 Q individual trout were netted
and marked with a fin clip, then returned to the lake. The next week, the lake was netted again,
and out of the 480 lake trout that were caught, 5 had fin clips. Using the markrecapture estimate,
the lake trout population size could be closest to which of the following? 1680 408 50 320
Which of the following methods will provide information to an ecologist about both the size and
density of a population? mark and release quadrat life table mark and recapture Ants living in
acacia trees attack any predators of the tree. In return, the ants live protected in the thorns of the
tree and eat the nectar and protein-rich secretions of the tree. What term describes this
relationship? competition commensalism mutualism parasitism A community ecologist might
study: all the members of a single species that live together in a single geographic area. the
interactions among species living in a single area. the behavior of a species in its natural
environment. the rates of increase or decrease in the population size of individual species in
different environments. Which term best describes the relationship between leaf cutter ants and
the plants? Leaf Cutter Ants Jangle: How Nature Works Frnm Title: (3) Intobase. All rights
Reserved. Lengtn: 03:03 mutualism communism commensalism predation Cattle egrets hitch a
ride on domestic cows and eat insects that are stirred up by their activity. What term describes
this relationship? competition commensalism parasitism predation What role would an owl that
eats a seed-eating mouse perform in a food chain? secondary consumer producer primary
consumer tertiary consumer The North Atlantic Right Whale, Eubalaena glacialis, was called the
"right whale" because they were the best whale for early whalers to kill. They have long baleen
and lots of blubber and oil. When killed, they could be towed back to land for processing
because they float. They once numbered in the millions, but the entire population of the species
is now less than 4 QQ . The history of the right whale is an example of pollution.
overexploitation. habitat destruction. competition. Which of the following presents the greatest
threat to biodiversity? habitat loss or degradation pollution introduction of nonnative species
overharvesting Bulldozing a prairie dog habitat to convert it to a farm field is an example of
overexploitation habitat destruction pollution introduction of non-native species In a food chain,
an owl eats a seed-eating mouse. What role would the mouse play? primary consumer tertiary
consumer secondary consumer producer Which of the following is at the "bottom" of a food web
or chain? primary consumers producers tertiary consumers secondary consumers