“Much of the northern part of the northern hemisphere is like it is here-treeless. Soon, the short growing season will be over. I tried to dig in the frozen ground a few days ago, but I could only dig a few centimeters down. While I was digging, I saw an arctic fox.” In which biome do I live?
What is the tundra?
Which of the following words has no relation to the others listed? A.logistic growth B.J-curve C.carrying capacity D.limited growth
What is B. J-curve?
Ants keep predators away from acacia trees. The acacia tree provides the ant with food and shelter. This is an example of what type of relationship?
What is mutalism?
The amount of energy that is lost as heat between trophic levels
What is 90%?
An example of an abiotic factor
What is rock, water, wind, temp?
“We live between the Tropic of Cancer and the Equator. There is usually a wide range of temperature between day and night. The soil is very sandy and there are few plants. It’s hard to grow many plants here, since we get very little rain. I see many reptiles, though. Most of them are nocturnal.” In which biome do I live?
What is the desert?
Name a density-independent factor
What is a tsunami, flood, earthquake, hurricane, tornado?
A relationship in which one organism benefits while the other is harmed
What is a parasitic relationship?
An ecological pyramid that shows the number of organisms in each trophic level within an ecosystem
What is a pyramid of numbers?
A group of organisms of a certain species that is in one area at a given time
What is a population?
“We have four seasons. It is warm during the summer and cold during the winter. Most of the trees lose their leaves in the fall. Many birds migrate to a warmer climate just before the winter comes. I like to be outside, though, and watch the animals. I like watching squirrels, raccoon, and deer the best.” In which biome do I live?
What is the deciduous forest?
Assume there are 5 elephants per acre in the savanna. This is a measure of the elephant population's ____________.
What is density
A remora hitches a ride on a shark's belly. The remora receives protection and the occasional scrap of food. The shark doesn't notice the remora's presence.
What is commensalism?
The role of decomposers within an ecosystem
What is convert nitrogen and carbon into forms that can be used by other organisms within the atmosphere?
“My house is between 50 degrees N and 60 degrees N latitude. The winters are very cold. Sometimes it is as cold as -70 degrees Celsius! For this reason, most of the precipitation that we get is snow. The trees (coniferous) are shaped like cones so the snow falls off them and does not damage them. I like the summer. Too bad it only lasts for about two to four months!” In which biome do I live?
What is the taiga?
A relationship between members of different species where at least one benefits.
What is a symbiosis?
Another name for a primary consumer
What is a herbivore?
Nitrifying bacteria convert __________ to _______.
What is nitrogen gas to nitrates?
Events that prevent the temperate grasslands (prairie) from becoming woodlands?
What are seasonal droughts and frequent fires?
“I live near the Equator. We get a lot of rain here. Last year we had about 450 centimeters of rain! There are many kinds of plants here. We have many trees that are about 45 meters tall. We also have ferns and climbing plants. There are also many exotic animals. Every day I see all kinds of birds, reptiles, and insects.” In which biome do I live?
What is the tropical rain forest?
Birth rate, death rate, immigration, and emigration are all roughly equal.
What is zero population growth?
A graphic that shows the flow of energy among many different organisms within an ecosystem
What is a food web?
The secondary consumer level in an energy pyramid contains 120 J of energy. Calculate the amount of energy in the producer level.
What is 12000 J?
The Chaparral biome also referred to as this.
What is Mediterranean?