The picture shows a river in a desert environment.Which quality of this river plays the largest role in allowing for the abundant vegetative plant growth along the river's bank?
7.10 ABC Review

Quiz
•
Other Sciences
•
7th Grade
•
Hard
Laura Hinojosa
Used 112+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The river maintains a significantly lower temperature than the rest of desert.
The river attracts animals that feed on grasses and shrubs along the river.
The river provides the moisture required for plant growth in an arid environment
The river erodes sediments that get in the way of root growth down the river.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The picture shows cacti growing in a desert environment.
Which of the following is NOT a way that a desert environment supports populations of cacti?
It has fewer plant-eating organisms than other environments.
It has a lot of sunlight for the cacti to photosynthesize during the day.
It has loose, sandy soil for cacti to bury their shallow roots in easily.
It has little rainfall throughout the year.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The picture shows a mangrove estuary environment.
Which of the following is a quality of the mangrove estuary environment that allows small fish and crustaceans to live there?
It provides shelter and protection from predators for small animals.
It has a fast-moving current and waves running through it.
t has a higher salt content than ocean water.
has lower-than-normal oxygen levels because of the mangrove trees.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The food webs model relationships among the organisms in two ecosystems.
Which ecosystem would be more likely to survive if a disease killed the grasses?
The forest ecosystem, because most of the animals can eat other organisms.
The grassland ecosystem, because several predators compete for food.
The forest ecosystem, because it has three top predators.
The grassland ecosystem, because it has many herbivores.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The figure above shows the same ecosystem in Texas at two different times.
Which of the following MOST likely caused the change of species shown in the figure?
development of a parking lot
passing through of a glacier
preservation of habitat
occurrence of a forest fire
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of these types of environments is MOST LIKELY to
experience the arrival of pioneer species?
an old growth forest
an undisturbed prairie
an established mountain lake
a newly formed volcanic island
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following would most likely be true about ecosystems where factors such as light and water are not restrictive?
The ecosystem will contain an abundance of all the same type
of producers.
The ecosystem will have a hard time sustaining any consumers.
The ecosystem will contain too many consumers.
The ecosystem will contain an abundance of a variety of producers.
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