Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
using the terms for common trees oof northeastern Canada, identify the three types of leaves labeled A to C
Transcribed Image Text:la. Leaves are thin and needle-like
1b. Leaves are flat and broad
2a. Needles are over one inch long, arranged in clusters
2b. Needles are one half-inch long or shorter
3a. Needles in clusters of three
3b. Needles in clusters of five
4a. Needles scale-like, sharp, cover twigs
4b. Needles protrude from twigs
5a. Needles flat, rounded tips, in two rows along twig
5b. Needles in whorl around the stem
6a. Compound leaves divided into 7 leaflets
6b. Simple leaves
7a. Lobed, rounded leaves with 7 to 9 lobes
7b. Toothed leaves
8a. Long slender leaves that droop
8b. Leaves are less than twice as long as broad
9a. Leaves have an elliptical shape
9b. Leaves are toothed and lobed
A
birgh
go to 2
go to 6
go to 3
go to 4
Pitch pine
(Pinus rigida)
Eastern white pine
(Pinus strobus)
Eastern red cedar
(Juniperus virginiana)
go to 5
Eastern hemlock
(Tsuga canadensis)
White spruce
(Picea glauca)
White ash
(Fraxinus americana)
go to 7
White oak
(Quercus alba)
go to 8
Weeping willow
(Salix babylonica)
go to 9
American beech
(Fagus grandifolia)
Sugar maple
(Acer Saccharum)
Expert Solution
Step 1: What is dichotomous key?
A tool that can be used to identify the organisms in natural world is known as dichotomous key. Such as plants, animal . It is an important scientific tools .
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