Topic: Plants
Aim: Describe the structure of plants.
Do Now:
1. Pass up your Natural Selection Lab.
2. Start tropisms ISA.
HW: Finish Tropisms ISA
Castle Learning Evolution due Tuesday
Castle Learning Plants due Tuesday
Bring in your textbook!
4. The diagram below represents
a. budding
c. binary fission
b. sporulation
d. regeneration
7. Mitosis occurs in all of the
following organs EXCEPT
a. skin
b. ovaries
c. muscles
d. stomach
8. Which statement concerning sexual
reproduction is correct?
a.It is not necessary in order for the individual
to survive.
b.The offspring are identical to the parent.
c.It is necessary in order for the individual to
survive.
d.The offspring are identical to each other.
10. Which sequence best represents sexual
reproduction?
a.mitosis → gametes → zygote → fertilization
b.gametes → meiosis →mitosis →fertilization
c.fertilization → gametes → meiosis → zygote
d.meiosis → gametes → fertilization → zygote
PHOTOSYNTHESIS
AEROBIC RESPIRATION
H2O and CO2 are raw
materials
C6H12O6 and O2 are
products
C6H12O6 and O2 are
raw materials
Takes place in
chloroplasts
H2O and CO2 are
products
Takes place in
mitochondria
3 main • Roots
parts of • Stems
a plant • Leaves
Roots
• Anchor plants
• Absorb water
and minerals
from soil
• Store food
Stems
• Support
• Hold the leaves up
• Contain vascular tissue:
https://www.youtube.com/watch?v=WiOkj5N8J9c
– Xylem:
carries H2O
UP the plant
– Phloem:
carries
FOOD from
leaves
throughout
the plant
2 types of stems:
Herbaceous stems
Woody stems
Leaves
• Site of PHOTOSYNTHESIS
Palisade
layerC
D
Vein
E
Spongy
latyer
A
Guard cells
B
Stomate
Let’s summarize…
Roots, stems and leaves
1. Identify the three main parts of plants.
2. Describe the importance of roots.
Absorb water, anchor plants into soil
3. Describe what is found inside of stems.
Vascular tissue (xylem and phloem)
4. Identify the function of xylem and phloem.
Xylem transports water UP. Phloem
transports food throughout the plant.
5.Where does photosynthesis occur in
plants? Leaves
6. Why are leaves flat and broad?
To absorb more sunlight
Identify the plant structure described.
a. Support the plant’s branches and leaves. Stems
b. Absorbs water and dissolved substances. Roots
c. Site of photosynthesis. Leaves
Roots
d. Anchors plants to keep them in their location.
e. Transports water and substances to the
leaves Stems
f. Can also store food for plants to use. Roots
g. Identify the structures that enable roots to
absorb more water. Root hairs
h. Contains vascular tissue known as xylem and
phloem. Stems
In which part of the plant does
most food-making occur?
1. root
2. root hair
3. leaf
4. stem
The tissue that carries water and
minerals up from the roots
through a plant is the
1.cambium
2.xylem
3.phloem
4.tuber
Water is absorbed into the plant
through the
1.root hairs
2.leaves
3.chloroplasts
4.stem
The tissue the carries food
substances down from the plant’s
leaves is the
1.cambium
2.xylem
3.phloem
4.tuber
Which concept would be correctly placed in
box X?
(1) use and disuse
(2) variation
(3) transmission of acquired traits
(4) changes in nucleic acids
1. What part of Darwin’s Theory of Natural
Selection is this diagram representing?
variation
2. Which has the favorable adaptation? How
do you know?Medium  they are able to
survive better.
Describe the conclusion that can be made
about the fossils in layer A and layer B.
Fossils in layer A are older and less
complex than the fossils in layer B.
The diagram above shows a series of bone
structures in four different species of vertebrates.
1. What are these structures called? Homologous
structures
2. Explain how these structures support the theory
of organic evolution. Because they are similar in
structure, these organisms may
have evolved from a common
ancestor.
“Evolution is the result of long periods
of stability interrupted by geologically
brief periods of significant change.”
This concept is called:
1. gradualism
2. natural selection
3. geographic isolation
4. punctuated equilibrium
The Florida panther, a member of
the cat family, has a population of
fewer than 100 individuals and has
limited genetic variation. What
inference can be made according
to the information given?
If there is a major environmental
change and their adaptations are no
longer favorable, the species will
become extinct.
1. Which letter
represents a
common ancestor
for species C and
E? K
2. Which species
are least likely to
be vital parts of a
present-day
ecosystem?
E and J
The substance is green plants that
captures the sun’s light energy is
1. chlorophyll
2. mesophyll
3. phloem
4. cuticle
During photosynthesis, molecules
of carbon dioxide and water are
changed into
1.oxygen and carbon dioxide
2.glucose and water
3.glucose and chlorophyll
4.oxygen and glucose
Which of the following materials is
not needed for photosynthesis?
1.sunlight
2.chlorophyll
3.water
4.oxygen
A process in which glucose is
broken down to release energy is
called
1.diffusion
2.respiration
3.photosynthesis
4.osmosis
Aerobic respiration requires
1.oxygen
2.carbon dioxide
3.light
4.chlorophyll
One substance that is generated
from aerobic respiration is
1.ATP
2.protein
3.glucose
4.oxygen
Respiration occurs in
1.chloroplasts
2.nuclei
3.mitochondria
4.ribosomes
Leaf Structure
• http://www.youtube.com/watch?v=mpPwm
vtDjWw
• http://www.phschool.com/science/biology_
place/biocoach/photosynth/leaf.html
• http://www.phschool.com/science/biology_
place/biocoach/photosynth/mesophyll.html