Section 22-1 Flashcards
Circle the letter of each sentence that is true about plants
A.) Plants are multicellular prokaryotes
B.) Plants have cell walls made of cellulose
C.)Plants carry out photosynthesis
D.) Plants develop multicellular embryos
A, C, D
What pigments do plants use to carry out photosynthesis
Green pigments, chlorophyll a and b
IA the following sentence true or false all plants are autotrophs
False
All plants have a life cycle that is characterized by
Alternation of generations a diploid 2n phase and a haploid N phase
Study picture 1
Gametophyte
Gamete producing plant
Haploid
Sporophyte
Spore producing plant
Diploid
What are four basic needs of plants
Sunlight, water and minerals, gas exchange, movement of water and nutrients
Why are plant leaves typically broad and flat
So it can maximize light absorption
Circle the letter of each sentence that is true about the basic needs of plants
A.) Plants require oxygen to support cellular respiration
B.) Plants must get rid of water as quickly as possible
C.) Water is one of the raw materials of photosynthesis
D.) Plants have specialized tissues to carry nutrients upward
A, C, D
The history of plants can be understood in terms of the evolution of what kind of structures
Aquire, transport and conserve water
What did the first plants evolve from
An organism like the multicellular green algae living today
What is true abt green alage
A, they have the same photosynthetic pigments as plants
B, they have the same size, color and appearance of plants
C, they are classified as early plants
D, they have reproductive cycles that are similar to those of early plants
A, b, d
How were early plants similar to today’s mosses
They had a simple structure and grew close to the damp ground
From the first plants, at least 2 major groups of plants evolved. What did those groups develop into
One developed into mosses and their relatives another gave rise to all other plants on earth today
