Which relationship best describes the interactions between field grass and a rabbit?
Required
0 points
0
Question 2
2.
Mistletoe is a plant that grows on deciduous trees by sending thin roots into the bark and absorbing nutrients from the tree. What type of relationship does the mistletoe have with the deciduous trees?
Required
1 point
1
Question 3
3.
In a tropical rainforest ecosystem, towering trees form a large canopy of leaves and branches that cover much of the ground beneath the trees. The towering trees make which of the following abiotic factors difficult for their competitors to obtain?
Required
1 point
1
Question 4
4.
If the population of rabbits is reduced by disease, which change will most likely occur in the food web below?
Required
1 point
1
Question 5
5.
The graph below shows how the population of gopher turtles and snowy egrets changed over the last 60 years in a particular wetland. What can you infer based on the information presented in the graph?
Required
1 point
1
Question 6
6.
Use the diagram below to answer question 8.
There are three species of birds on an island. Bird A has a heavy bill for eating big seeds. Bird B has a sharply pointed bill for eating insects. Bird C has a sharp bill for eating insects and small seeds. If the insect populations suddenly disappeared one season, which bird or birds would probably be the least affected that season?
Required
1 point
1
Question 7
7.
Refer to the tables provided. Which plants depend on and may compete for sandy soil in zone 9?
1 point
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Question 8
8.
The Louisiana fishing industry has been suffering due to the recent pandemic. More and more fisherman have been fishing the coastal waters causing the coastline to be overfished. Which of these activities will most likely increase the fish population?
Required
1 point
1
Question 9
9.
Scientists are studying the effects of climate change on th Baltic Sea. Some scientists predict that if current trends continue, the Baltic Sea will become less salty, and it will contain less dissolved oxygen. As a result of these changes, the Baltic Sea will have less biodiversity. The location of the Baltic Sea is shown on the map below.
Which statement best explains why biodiversity in the Baltic Sea could descrease if these changes occur?
Required
1 point
1
Question 10
10.
Copper compounds are used in large amounts to control the growth of algae and other aquatic plants. Copper interferes with photosynthesis in these organisms.