Chapter 6 Review (1-24)
Approximately what percentage of the Earths species do tropical rain forest contain?
50%
How might a mountain affect where particular types of biomes are located?
The higher up the mountain, the colder it gets. If animals can't live in cold climates, they won't be in that biome. Same goes for plants.
Well-preserved mammoths have been found buried in the tundra. Explain why the tundra preserves animal remains well.
The permafrost won't melt, therefore being the perfect place to preserve remains
What is the relationship between root systems and erosion in a grassland ecosystem?
The roots of crops are shallow so soil erosion eventually occurs
Unlike the jungles you see in movies, the floor of an undisturbed tropical rain forest usually lacks much vegetation. Explain why it lacks vegetation.
The soil of the rain forest is not rich at all, the nutrients are within the plants. Therefore, if there are no plants there are no nutrients.
Spadefoot toads survive the dry conditions of the desert by
burying themselves in the ground
The tundra is most suitable to a vertebrate that
can migrate hundreds of kilometers each summer
The most common types of plants in the taiga biome are...
coniferous trees
Animal species of the tropical rainforest...
have adaptations that minimize competition
Migration of animals in the savanna is mostly a response to
rainfall
Which of the following biomes contains large trees: - savanna - temperate rain forest - chaparral - desert
temperate rain forest
the two main factors that determine where organisms live are
temperature and precipitation