Lichens consist of fungus and alga. The fungus provides a structure on which the alga can grow. The alga produces sugar that the fungus can use. What type of relationship exists between these two organisms
What is mutualism
100
Which of the following factors would have the greatest impact on reducing the carrying capacity of an ecosystem?
What is competition from another organism
100
(Look at age structure graph) Which population is larger?
What is Population A
100
Population distribution describes how organisms are arranged within an area. Ecologists define three distribution types: random, uniform, and clumped, as shown in the figure on the board... In which of these do individual organisms arrange themselves according to the availability of the resources they need to survive and is the most common pattern in nature?
What is clumped
100
Fish, cattails, frogs, water lilies, dragonflies, and all other living things in a pond make up a(n).
What is community
200
Spanish moss grows on the branches of oak trees. The moss benefits from being up high and the tree is neither helped nor harmed. What type of relationship exists between these organisms?
What is commensalism
200
Picture a graph that shows the carrying capacity for a population of grass eating animals on the Great Plains of the United States. Which explanation below is the best reason why the carrying capacity dropped during years 4 to 7?
What is the area began to experience drought conditions in year 4.
200
(Look at the age structure graph) Population A is most likely
What is rapidly growing
200
(Look at graph 18-20) Which country show in this figure will most likely decline in growth?
What is Germany
200
Which of the following usually results when members of the same species require the same food and space?
What is competition
300
A tick lives on the skin of an animal, such as a deer. The tick obtains nourishment from the blood of the animal. What type of relationship exists between the tick and the deer?
What is parasitism
300
A grassland experiences a drought that causes most of the plants to die and several watering holes to dry up. The antelope that live on the grassland experience a decrease in population because water and plants are key.
A. Biotic factors
B. Abiotic factors
C. Resources
D. Habitats
What is resources
300
(Look at the age distribution graph) Population B is most likely to?
What is going to decline in a few decade
300
(Look at the graph for 18-20) In this age structure diagram, what would most likely be the reproductive age?
What is Ages 25 to 39
300
(See graph for 15) Population can grow either exponentially or logistically. Which graph above shows an exponential growth?
What is graph A only
400
In logistic population growth the part of the chart where it levels off (flat lines) is called?
What is carrying capacity
400
Which of the following factors would have the greatest impact on reducing the carrying capacity of an ecosystem?
What is competition from another organism
400
Why are age structure diagram used by scientists
What is age structure shows the proportion of individuals currently of reproductive age and those who could reproduce in the future
400
This class room is in what type of dispersion?
What is random
400
Lichens consist of fungus and alga. The fungus provides a structure on which the alga can grow. The alga produces sugar that the fungus can use. What type of relationship exists between these two organisms
What is mutualism
500
The Komodo dragon bites a water buffalo to inject it with venom. About 1 week later, the water buffalo dies of poisoning and is eaten by the Komodo dragon.
What is Predation
500
Every summer, Siberian cranes fly from India to Siberia, where they breed and raise their young. When winter comes, the cranes fly back to India. This is an example of?
What is emigration
500
(Looks at graph 18-20) Which country show in this figure will most likely to get bigger in size?
What is Nigeria
500
Fish, cattails, frogs, water lilies, dragonflies, and all other living things in a pond make up a(n).
What is community
500
A grassland experiences a drought that causes most of the plants to die and several watering holes to dry up. The antelope that live on the grassland experience a decrease in population because water and plants are key.