Which animals can help with seed dispersal?
Why do some seeds have hooks or wings?
What benefits does seed dispersal provide plants?
What adaptations help seeds disperse by wind? Choose 2
What is one possible reason for seeds to have hooks or barbs?
A plant is adapted to a forest with little sunlight. Identify the BEST adaptation this plant might have to ensure its survival.
In which structure of the plant does gas exchange occur most frequently?
Which tissue transports water and dissolved minerals in plants?

In the late 19th century, Charles Darwin and his son performed a series of experiments on young grass seedlings to observe the plants' response to sunlight. They grouped the seedings as shown in the list:
-They removed the tips of one group of seedlings.
-They placed opaque caps over the tips of a second group of seedlings.
-They placed transparent caps over the tips of a third group of seedlings.
The results of the experiment are shown in the diagram. Based on the diagram, which statement BEST supports the results of the experiment?
Roots of different plants can be connected by a network of underground fungal extensions called hyphae. These fungi contribute minerals to the plants, and the plants contribute carbohydrates to the fungi.
Part A: Which statement about the transportation of these substances within the plant is true?

Part B: Which statement supports the answer to Part A?
A person waters a grapefruit tree on a sunny day. Which process MUST occur for the tree to use the water?
Which plant response would best aid a plant a maximizing and retaining water acquired during a drought?
Which of the following are true about stomata on leaves? (Select 3)
What does phloem transport in plants? (select 2)
Which of these are the functions on the vascular tissue? (Select 3)
Which of the following are function of the root system? (Select 4)