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    the rocky material left behind by a retreating glacier forms what is called a moraine. when primary succession occurs on a moraine, which life-forms will help create the soil by breaking down bare rock?

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    206 9th Biology

    Michael Evanko Douglas

    3 years

    12 Qs

    1. Multiple-choice 2 minutes Q.

    A small town in the piney woods of East Texas has a soccer field composed of native grasses.

    The soccer field is mowed once a week.

    What effect does continual mowing have on the ecology of the field?

    . . answer choices

    A Mowing increases the likelihood of nonnative species displacing native species

    B Mowing Increases the number of species found In the field .

    C Mowing causes different types of communities to form across the field.

    D Mowing maintains a low species diversity by inhibiting further succession

    2. Multiple-choice 2 minutes Q.

    Enchanted Rock State Natural Area is located in Central Texas. Enchanted Rock is a dome ofgranite. The area contains four easily identifiable communities. The table describes characteristics of each type of community in the area .A student studying primary succession should focus on which of these communities?

    answer choices

    A Open oak wood land

    B Mesquite grassland

    C Floodplain D Granite rock 3. Multiple-choice 2 minutes Q.

    An estuary collects sediments from the ocean and rivers that feed into it. The sediments swirl around and then settle to form a mudflat. Eel grass is then established on the mudflat. The ecosystem changes over time and ultimately develops into a salt marsh that contains mangrove trees.

    Which of the following is likely NOT involved in this example of ecological succession?

    answer choices

    A The rotting remains of plants add to the fertility of the soil.

    B The soil becomes so fertile that eel grass is replaced by other plant species.

    C The roots from plants help stabilize the sediment, keeping it in place.

    D The concentration of salt becomes so high that all plant life is destroyed.

    4. Multiple-choice 2 minutes Q.

    The rocky material left behind by a retreating glacier forms what is called a moraine. When primary succession occurs on a moraine, which life-forms will help create the soil by breaking down bare rock?

    answer choices A Insects B Lichens C Grasses D Deciduous trees 5. Multiple-choice 2 minutes Q.

    During ecological succession, how does the growth of young hardwoods affect the organisms living in an ecosystem?

    answer choices

    A Grasses and low shrubs are unable to obtain the amount of light they need to survive, so there are small numbers of them.

    B The trees provide shelter and food for a variety of mammals, insects, and birds.

    C In autumn, falling leaves provide a source of energy for decomposers such as fungi.

    D All of the above 6. Multiple-choice 2 minutes Q.

    Which statement best describes the differences in species diversity between an ecosystem beginning the process of primary succession and one beginning the process of secondary succession?

    answer choices

    A Species diversity is much greater in the ecosystem undergoing primary succession because that ecosystem is experiencing a longer period with a lack of com petition for space.

    B No differences in species diversity exist because both ecosystems initially lack living organisms.

    C Species diversity is much greater in the ecosystem undergoing primary succession because the lack of soil provides a greater area for organisms to claim niches.

    D Species diversity is greater in the ecosystem undergoing secondary succession because the soil already contains seeds and spores of various species.

    7. Multiple-choice 2 minutes Q.

    As ecosystems move through the stages of succession, the populations of organisms in them change. Which of the following describes the stage of succession likely to have the most species diversity?

    answer choices

    F A newly formed volcanic island

    G An agriculture field that has not been plowed for one year

    H A temperate forest that has never been cleared by logging

    J A field that is regularly mowed

    8. Multiple-choice 2 minutes Q.

    How do an increase in the organic matter in soil and an increase in soil depth affect the population of plants in an area?

    answer choices

    A Larger plants become the dominant organisms.

    B Mosses replace flowering plants.

    C Nitrogen-fixing bacteria kill young trees.

    D Grasses become diseased.

    9. Multiple-choice 2 minutes Q.

    Hydrothermal vents form deep in the ocean when iron- rich magma is released from openings on the seafloor. These vents spew extremely hot water (400°C) mixed with methane and sulfur. Bacteria that thrive in this hostile environment form the base of a food cha in that leads to colonization by tube worms, mussels, and many other life-forms . When a hydrothermal vent becomes inactive and cold, the bacterial community that lives in the hot fluid methane and sulfur dies out. Which organisms most likely succeed the original community in this ecosystem?

    answer choices

    A Cold-tolerant bacteria that feed on sulfur and iron in the vents

    B Giant kelp that use sulfur in photosynthesis

    C Fish that do not need oxygen for cellular respiration

    D Ocean mammals that tolerate cold and act as top predators in the food chain

    Source : quizizz.com

    Ecological Succession Flashcards

    Study with Quizlet and memorize flashcards terms like Changes in water pressure within guard cause the cells to open or close the stoma. This response helps the plant maintain homeostasis by-, The mimosa plant displays thigmotropism by collapsing its leaves in response to touch. What is the most likely benefit of this mechanism for the plant?, Some fungi secrete substances that are toxic to bacteria that compete with them for food. Scientists have used their knowledge of this ability of fungi in order to produce which of the following substances? and more.

    Ecological Succession

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    Changes in water pressure within guard cause the cells to open or close the stoma. This response helps the plant maintain homeostasis by-

    Click card to see definition 👆

    regulating the amount of water the plant loses during transpiration

    Click again to see term 👆

    The mimosa plant displays thigmotropism by collapsing its leaves in response to touch. What is the most likely benefit of this mechanism for the plant?

    Click card to see definition 👆

    Protection from herbivores by becoming less attractive

    Click again to see term 👆

    1/6 Created by barrientosbio

    Terms in this set (6)

    Changes in water pressure within guard cause the cells to open or close the stoma. This response helps the plant maintain homeostasis by-

    regulating the amount of water the plant loses during transpiration

    The mimosa plant displays thigmotropism by collapsing its leaves in response to touch. What is the most likely benefit of this mechanism for the plant?

    Protection from herbivores by becoming less attractive

    Some fungi secrete substances that are toxic to bacteria that compete with them for food. Scientists have used their knowledge of this ability of fungi in order to produce which of the following substances?

    Antibiotics

    A student sets up a compost bin outdoors. Inside the bin microorganisms convert the student's vegetable and paper scraps to fertilizer. Which best describes the role these microorganisms play in natural habitats?

    The microorganisms help keep nutrients cycling through the ecosystem.

    The rocky material left behind by a retreating glacier forms what is called a moraine. When primary succession occurs on a moraine, which life-forms will help create the soil by breaking down bare rock?

    Lichens

    As ecosystems move through the stages of succession, the populations of organisms in them change. Which of the following describes the stage of succession likely to have the most species diversity?

    A temperate forest that has never been cleared by logging

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    The rocky material left behind by a retreating glacier forms what is called a moraine. When primary succession occurs on a moraine, which life

    The rocky material left behind by a retreating glacier forms what is called a moraine. When primary succession occurs on a moraine, which life-forms will help create the soil by breaking down bare rock?? >>

    The rocky material left behind by a retreating glacier forms what is called a moraine. When primary succession occurs on a moraine, which life-forms will help create the soil by breaking down bare rock?

    The rocky material left behind by a retreating glacier forms what is called a moraine. When primary succession occurs on a moraine, which life-forms will help create the soil by breaking down bare rock?

    This is a List of Available Answers Options :

    insects lichens grasses deciduous trees

    The best answer is B. lichens.

    Reported from teachers around the world. The correct answer to ❝The rocky material left behind by a retreating glacier forms what is called a moraine. When primary succession occurs on a moraine, which life-forms will help create the soil by breaking down bare rock?❞ question is B. lichens.

    I Recommend you to read the next question and answer, Namely Recent studies in bone research indicate that using ultrasound on a broken bone can decrease the healing time by 25%. Which of these are the most basic levels of organization involved when a bone heal? with very accurate answers.

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    James 9 month ago
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