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Questions and Answers
What part of a seed's embryo develops into the new plant's root system?
What part of a seed's embryo develops into the new plant's root system?
- radicle (correct)
- plumule
- cotyledon
- endosperm
Adventitious roots grow from the main stem of a plant.
Adventitious roots grow from the main stem of a plant.
False (B)
What is the storage region called in a young woody stem that stores water?
What is the storage region called in a young woody stem that stores water?
pith
The entire fruit that is fleshy and juicy throughout is called a ______.
The entire fruit that is fleshy and juicy throughout is called a ______.
Match each description with the correct type of simple fruit:
Match each description with the correct type of simple fruit:
Which of the following is not one of the factors that drives the sap stream?
Which of the following is not one of the factors that drives the sap stream?
Endosperm is the tissue that surrounds and nourishes a developing plant embryo.
Endosperm is the tissue that surrounds and nourishes a developing plant embryo.
What type of branching does the pictured tree exhibit?
What type of branching does the pictured tree exhibit?
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Study Notes
Branching and Plant Anatomy
- Spreading branching is a type of growth pattern observed in some trees, characterized by branches extending outward.
- Pith refers to the central storage region in young woody stems, made up of soft, thin-walled cells that store water.
- The radicle is the part of a seed's embryo that develops into the root system of the new plant.
Factors Affecting Sap Stream
- Secondary growth is not a factor that drives the sap stream, which is influenced by other physiological processes in the plant.
Specialized Root Types
- Adventitious roots are specialized roots that develop from unusual areas of a plant rather than from the root system.
Plant Embryo Nourishment
- Endosperm is the tissue surrounding and nourishing the developing plant embryo within the seed.
Types of Simple Fruits
- Achene: A simple fruit produced by plants in the grass family.
- Legume: A type of simple fruit that consists of a pod enclosing several seeds.
- Pome: Defined by an outer fleshy layer and an inner papery core.
- Berry: A fruit where the entire structure is fleshy and juicy throughout.
- Nut: A simple fruit consisting of a seed enclosed in a hard, relatively thick shell, such as acorns.
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