Lab 13: Trees of Lehman Campus

these plants are gymnosperm, woody plants with secondary growth

conifers

true or false: cedars, Douglas-firs, cypresses, firs, and junipers are examples of conifers

true

conifer forests represent the largest terrestrial sink of what element?

carbon

what are conifers mainly used for in economics?

timber and paper production

conifers go through the process of altering their biochemistry to make them more resistant to freezing, which is referred to as ___

hardening

true or false: angiosperms’ lifestyles can be annuals or biennials

false. angiosperms’ lifestyles can be annuals, biennials, or perennials

true or false: angiosperms can be shrubs, trees, grasses; herbaceous, or woody

true

oaks and maples are popular angiosperms. they have the ability to shed leaves in the winter, which is referred to as being ___

deciduous

oaks and maples have small oval slits on the trunk, which are called ___

lenticels

these plants have the ability to synthesize various chemical compounds that perform important biological functions, and defend against attack from predators

medicinal plants

aspirin, digoxin, taxol, quinine, and opium are examples of ___

drugs originally extracted from plants

the study of traditional human uses of plants is ___

ethnobotany

these species of plants live outside their native distributional range, and arrived deliberately or accidentally by human activity

introduced, exotic, or non-native plant species

introduced plant species that become established and spread beyond the place of introduction are referred to as ___

invasive species