Just like vertebrate animals, plants possess excretory systems. One way that plants excrete waste products is by opening pores in the surfaces of their leaves. These pores, called stomata, help a plant maintain homeostasis by allowing the plant to
A
release substances, such as oxygen and water.

B
collect substances, such as ammonia and salt.

C
destroy substances, such as sap and uric acid.

D
make substances, such as chlorophyll and resin.

In general, how long does it take to accomplish a long-term goal? a.a few days to a weekb.a few weeks to a monthc.a few months to a yeard. more than a year

Which best describes an adaptation that could be found in a fish that lives in a slow-flowing stream? the ability to attract prey by glowingextra gills, for oxygen extractionthe ability to grow largerextra fat, for warmth

Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.