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EXAM 2 BIO 1407 (2024) QUESTIONS WITH COMPLETE ANSWERS!!
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EXAM 2 BIO 1407 (2024) QUESTIONS WITH COMPLETE ANSWERS!!
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Name: Score:86 Multiple choice questions
Term 1 of 86
Which supergroup includes the land plants?
Red Algae
Archaeplastida
Amoebozoans
Excavata
Term 2 of 86
If you could take a time machine back to the Carboniferous period, which of the following would
you most likely encounter?
Deserts filled with cacti and drought-resistant shrubs
Arctic tundras characterized by mosses and lichens
Tropical rainforests with a high diversity of flowering plants
Swampy forests dominated by tree lycophytes, horsetails, and ferns
Term 3 of 86
Bryophytes were the dominant plants in the first 100 million years of plant evolution. By the
Carboniferous period, seedless vascular plants formed giant forests. Why were these plants able
to outcompete bryophytes?
They produced flowers that attracted more pollinators than bryophytes.
They had deeper root systems that could access water more efficiently than bryophytes.
They were able to survive in harsher climates than bryophytes could tolerate.
Their vascular tissue allowed them to grow tall, competing for light and more widely
dispersing their spores.
,Term 4 of 86
Which of the following lists provides the best description of cnidarians?
Bilateral symmetry, three germ layers, and digestive tract
Radial symmetry, four germ layers, and respiratory system
Radial symmetry, two germ layers, and gastrovascular cavity
Asymmetrical shape, one germ layer, and circulatory system
Term 5 of 86
What type of root architecture allows plants to grow taller?
Fibrous Roots
Root Hairs
Taproots
Storage Roots
Term 6 of 86
Nitrogen fixation is __________.
transforming nitrogen into a gas that is harmful to plants
storing nitrogen in plant roots for future use
removing nitrogen from the soil to improve plant growth
converting nitrogen in the air to a form usable by plants
, Term 7 of 86
The last thing all water and solute molecules pass through before they enter the vascular system
of roots and move upward to the leaves is __________.
the leaf stomata
an endodermal cell
a root hair
the xylem vessel
Term 8 of 86
The greatest increase in surface area for absorption in the root is due to __________.
stomatal pores
mycorrhizae
root nodules
leaf cuticles
Term 9 of 86
Which of the following organisms is not in the osteichthyan clade?
Shark
Coelacanth
Bird
Cod
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