BIOLOGY
12th Edition
ISBN: 9781264839698
Author: Raven
Publisher: MCG CUSTOM
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Chapter 25, Problem 1S
Vascular plants sequestered large amounts of CO2 through photosynthesis when the first expanded across terrestrial environment, leading to a glaciation. Evaluate the claim that a similar glaciation event occurred when the first plants colonized land. Be sure to consider whether or not photosynthesis by these new species alone could cause a glaciation.
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Use the context to answer questions 19 through 21)
In Florida, many plants live their lives without ever touching the ground These
plants grow on the tall trees of the mangrove forests. The seeds of the plants
never touch the soil on the ground far below. The seed breaks open and rodts
grow to support the plant as it grows. Stems begin to dimb upwards. Leaves
spread to gather the light at the top of the tree. The heavy rain and humid air
of Florida means that the plants can get all of the wwater they need right wihene
they grow. These plants are commonly called "air plants."
19 What important process within air plants is most likely different
compared to plants that live on the ground?
A. making food
B. growing leaves
C. reproducing
D. getting nutrients
20 "Spanish moss" is a common type of air plant that grows in Florida.
However, the common name is not correct. "Spanish moss" is not
actually moss. What structure would clearly show that "Spanish moss"
is NOT really a moss?…
Evaluate the role of photosynthesis in the flow of energy through an aquatic ecosystem.
How would loss of fungi in a forest effect biogeochemical cycles in the area? a. Nitrogen could no longer be fixed into organic molecules. b. Phosphorus stores would be released for use by other organisms. c. Sulfur release from eroding rocks would cease. d. Carbon would accumulate in dead organic matter and waste.
Chapter 25 Solutions
BIOLOGY
Ch. 25.1 - Describe the history of the Earth.Ch. 25.1 - Understand the relationship between geological...Ch. 25.2 - Contrast todays atmosphere with the likely...Ch. 25.2 - Prob. 2LOCh. 25.3 - Prob. 1LOCh. 25.4 - Prob. 1LOCh. 25.4 - Prob. 2LOCh. 25.5 - Compare and contrast the evolution of the...Ch. 25.5 - Discuss the types of cell specialization necessary...Ch. 25 - The Miller-Urey experiment demonstrated that a....
Ch. 25 - Plate tectonics can contribute to a. volcanoes and...Ch. 25 - Identify which of the following statements is...Ch. 25 - Which of the following events occurred first in...Ch. 25 - Fossil data indicate that a. life originated 4...Ch. 25 - A global glaciation would be unlikely to occur if...Ch. 25 - Although we do not know how early life arose, the...Ch. 25 - Which bits of evidence would convince you that...Ch. 25 - During which tunes would you expect that...Ch. 25 - The chloroplasts of brown algae a. have a...Ch. 25 - Vascular plants sequestered large amounts of CO2...Ch. 25 - Synthesizing what you have learned in this...Ch. 25 - Prob. 3S
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- Which term describes the process whereby toxic substances increase along trophic levels of an ecosystem? a. biomassification b. biomagnification c. bioentropy d. heterotrophyarrow_forwardWrite an essay on the Grassland Biome of Southern Africaarrow_forwardThe carbon cycle is nature’s way of reusing carbon atoms, which travel from the atmosphere into organisms in the earth and then back into the atmosphere over and over again. Most carbon is stored in rocks and sediments, while the rest is stored in the ocean, atmosphere, and living organisms. Evaluate the carbon cycle model. Predict the changes that would occur within the carbon cycle as a result of deforestation. Choose all that apply A) there would be less carbon in the soil due to the loss of trees B) there would be an increase in atmospheric carbon due to less plant respiration C) there would be an increase in atmospheric carbon due to decreasing photosynthesis D) there would be an increase in oceanic carbon due to increasing atmospheric levels E) there would be an increase in atmospheric carbon due to increased emissions from burning of treesarrow_forward
- Briefly explain how the production of oxygen by early photosynthetic organisms lead to colonization of land. arrow_forwardWrite notes on animal adaptations in estuarine waters Discuss the ecological importance of mangrovesarrow_forwardWhich practice might be described as carbon sequestration? A. capturing carbon dioxide from exhaust, reformed gases or other stationary sources B. depositing captured carbon dioxide in geological formations C. conversion of captured carbon dioxide into useful industrial productsarrow_forward
- how are fossil fuels form from geographic processarrow_forwardWhat would the seasons be like if the axis of rotation of earth was tilted at an angle of 10 degrees instead toward or away from the sun? a. no change b. less exaggerated seasons c. more exaggerated seasons d. there would be no change in the average temperature between the poles and the equator.arrow_forwardSociety soils, water, and the atmosphere are major components of the abiotic (nonliving) environment. Describe how green plants affect the abiotic environment in ways that are advantageous to humans.arrow_forward
- Which statement best describes the relationship between humans and the availability of soil?arrow_forwardFossils and fossil fuel Which action would decrease the amount of atmospheric carbon dioxide? A B OD [10 A B waste products C Part B: Which statement BEST supports the choice from Part A? D planting more trees increasing factory emissions driving more gas-powered cars creating more farms for livestock Trees remove carbon dioxide from the atmosphere during photosynthesis Factory emissions filter out the carbon dioxide in the atmosphere Gas-powered cars remove carbon trapped deep underground Livestock remove carbon dioxide from the atmosphere during cellular respiration. C2022 Illuminate Education™ Incarrow_forwardWhich describe the possible flow of energy in an ecosystemarrow_forward
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