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Ch. 35 - Vascular Plant Structure, Growth, and Development
Campbell - Campbell Biology 12th Edition
Urry12th EditionCampbell BiologyISBN: 9785794169850당신이 사용하는 게 아니라요?교과서 변경
모든 교과서Urry 12th EditionCh. 35 - Vascular Plant Structure, Growth, and Development문제 3
35장, 문제 3

Heartwood and sapwood consist of
a. Bark
b. Periderm
c. Secondary xylem
d. Secondary phloem

검증된 단계별 안내
1
Understand the structure of a tree: Trees have several layers including bark, periderm, xylem, and phloem. Each layer has a specific function and composition.
Identify the role of xylem: Xylem is responsible for transporting water and nutrients from the roots to the rest of the tree. It is divided into heartwood and sapwood.
Differentiate between heartwood and sapwood: Heartwood is the central, non-living part of the tree, providing structural support. Sapwood is the outer, living part of the xylem, actively involved in transport.
Recognize the composition of heartwood and sapwood: Both heartwood and sapwood are composed of secondary xylem, which is formed during the secondary growth of the tree.
Conclude that heartwood and sapwood consist of secondary xylem, which is option c.

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Heartwood and Sapwood

Heartwood and sapwood are parts of a tree's secondary xylem. Heartwood is the central, non-living part that provides structural support, while sapwood is the outer, living part that transports water and nutrients. Understanding their roles helps in identifying the correct answer related to tree anatomy.
추천 영상:
06:52
Secondary Growth

Secondary Xylem

Secondary xylem is the tissue responsible for water conduction and structural support in woody plants. It forms through the process of secondary growth, which increases the girth of stems and roots. Heartwood and sapwood are both components of secondary xylem, crucial for understanding their function in trees.
추천 영상:
06:52
Secondary Growth

Tree Anatomy

Tree anatomy includes various layers such as bark, periderm, secondary xylem, and secondary phloem. Each layer has distinct functions, with secondary xylem being vital for water transport and support. Recognizing these layers helps in distinguishing between heartwood and sapwood and their respective roles.
추천 영상:
가이드 코스
04:35
Building Phylogenetic Trees Example 1
관련 실천
교과서 질문

The innermost layer of the root cortex is the

a. Core

b. Pericycle

c. Endodermis

d. Pith

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교과서 질문

The root pericycle is the site where

a. Secondary growth originates.

b. Root hairs originate.

c. Lateral roots originate.

d. The endodermis originates.

1467
views
교과서 질문

The phase change of an apical meristem from the juvenile to the mature vegetative phase is often revealed by

a. A change in the morphology of the leaves produced

b. The initiation of secondary growth

c. The formation of lateral roots

d. The activation of floral meristem identity genes

895
views
교과서 질문

The vascular cambium gives rise to

a. All xylem

b. All phloem

c. Primary xylem and phloem

d. Secondary xylem and phloem

2360
views
교과서 질문

Most of the growth of a plant body is the result of

a. Cell differentiation

b. Morphogenesis

c. Cell division

d. Cell elongation

1190
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