Kingdom Plantae. 1. Unit Goals (as they relate to plants). Students will analyze the nature of the relationships between structures and functions in living cells.
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d. Relate natural selection to changes in organisms.
b. Compare how structures and function vary between the six kingdoms (archaebacteria, eubacteria, protists, fungi, plants, and animals).Kingdom Plantae Characteristics
Organisms are grouped into kingdoms based on genetic and anatomic similarities.
Green algae are believed to be the ancestors of modern plants
The invasion of land by plants probably occurred about 450 million years ago
First land plants were small mosses and ferns that had to live near water.
Plants slowly began to adapt to life on land, and spread to all biomes and climates. -----Adapting to different environment.
We are going to look at adaptation that plant have to help them survive in different environments.
Intake of Energy.
Energy is needed by all organisms to carry out processes
Explain the role of cell organelles for both prokaryotic & eukaryotic cells, including the cell membrane, in maintaining homeostasis and cell reproduction.
Photosynthesis takes place in the chloroplasts
Explain the cycling of energy through the processes of photosynthesis and respiration.How is energy cycled through the processes of photosynthesis and respiration?
Flow of energy in the environment.
Intake of Carbon Dioxide
Uptake and Movement of water
-Osmosis High to low
Evaporation of water from the leaves
e. Relate plant adaptations to the ability to survive stressful environmental conditionsRoots & stems aremodified in many plants into storage organs in order to survive through winter underground.
Tulips, daffodils, potatoes, carrots, onions, garlic.
e. Compare the advantages of sexual reproduction and asexual reproduction in different situations.
Sexual vs. Asexual
-Sexual allows for the mixing of genes- increasing genetic variation
-Asexualallows for reproduction when there is no other option- NO increase in genetic variation
Sperm fuses with an egg
Flowers are unique reproductive organs that produce seeds surrounded by a fruit.
Flowers attract pollinators. Helps insure pollination
Pollination-transfer of pollen
Pollen = Sperm
-A seed is the “baby” plant.
the sprouting of a seed is called
Seeds can tolerate unfavorable conditions by becoming dormant. When conditions
become favorable, the seed sprouts into a new plant.
Some produce: Spores-specialized structures that can grow directly into a new plant
Many flowers that depend on insects for pollination are brightly colored and fragrant, to draw attention to them
Seeds, pollen, flowers, & fruit are adaptations that allow some plants to survive in a wide variety of environments.
Tropism— a plant’s response to their
1- Gravitropism (Geotropism)—a plant’s
response to gravity
2- Phototropism— a plant’s response to light
3- Thigmotropism— a plant’s response to
Characteristic of living things:
-Plants can respond to their
Oldest living trees: Bristle Cone pines
causes the roots to grow downward and the stems to grow upward, no matter what the position of the seed may be when it is planted.
One main difference between members of the Kingdoms Plantae and Animalia is the ability to
A obtain energy
D exchange gases
What characteristics of some pine trees allows the species to survive disasters?
A modified leaves form needle
B seeds that germinate after fires
C pollen that is easily carried by wind
D bark that is lightly colored
Plants that live in the rainforest have many adaptations to their environment. Some plants such as vines have adaptations which allow them to attach themselves to the trunks of trees. These adaptations allow vines to successfully compete for which of the following limiting resources in the rainforest?
C carbon dioxide