Angiosperm Adaptations; Angiosperms (flowering plants) are the largest Phylum in the plant kingdom Plantae. These plants have true roots, stems, leaves, and flowers. The roots grow into the soil to anchor the plant in place and take up water and nutrients. The leaves are above ground and act as the main organs for photosynthesis. Stems provide above-ground support for the plant and operate as conduits to move nutrients and water throughout the plant. Flowers contain the male and female reproductive organs of the plant.
Plants develop specialized roots, stems, leaves, and flowers to make them better adapted to their environment. With the anatomical features described above in mind, do some research to find an angiosperm that has modified leaves, stems, roots or flowers that are structurally different from the norm, do not function in the normal manner, or that function in an unusual manner. For example, a cactus has spines in place of leaves. The spines help reduce water loss that would occur through a large, expanded leaf in a desert environment, and they also help to prevent herbivory.
Recommended:
Browse through the pages in the following link to learn more about gymnosperms and angiosperms: Evolution of the Seed Plant.
Watch this video to learn more about modified roots, stems and leaves: Modification of Root, Stem and Leaf.
Complete all of the following steps:
Choose an angiosperm with at least 1 unusual organ, characteristic, modification, or adaptation.
Describe the anatomy (structure) and physiology (function) of the angiosperm you chose.
Explain the unusual characteristic(s) or modification(s) and how it differs from the standard root, stem, leaf, or flower.
What benefit does the modification provide to the plant you chose?
Research at least 1 other plant, or review posts made by your peers to devise a potentially advantageous new adaptation that would benefit your plant.
Consider the environment, potential threats, and changing climate, and then come up with an adaptation that would further benefit your angiosperm. Explain the potential concern your plant will face and how your new adaptation would benefit the plant. For example, the gypsy moth is an introduced species spreading west and south of New England. The caterpillars can strip all of the leaves from a maple tree but do not eat the waxy leaves of holly that produce a toxin, theobromine. If maple trees had waxy, toxic leaves like the holly, then they would be protected from these pests.
Utilize at least 1 credible source to support the arguments presented in your post.
Consider the cyclic AMP second-messenger system a) Where in the cell is the receptor located that detects the first messenger? b) When the receptor binds to the first messenger, what type of protein does it initially activate? c) What molecule acts as the second messenger? d) Does the first messenger exist in the intracellular space or extracellular space? e) Does the second messenger exist in the intracellular space or extracellular space? f) What molecule is converted into cAMP? What enzyme catalyzes the production of cAMP? The second messenger binds to and activates what sort of protein? What does this protein do? i) Explain where signal amplification occurs in this cascade of events? j) The second messenger eventually is broken down into what molecule?
Calculate the concentration of cells in the flask using cell concentration data provided for tubes 2. 3, and 4. Hint: Use the appropriate dilution factor. Show your work: (Upt) Cell Total Concentration Dilution in each tube Factor Cell Concentration in the flask Tube 9.84×10 cells/ #2 ml Tube 4.92×10 cells/ #3 ml Tube 2.46x 10’cells #4 ml e. Does it appear you have a good serial dilution of the cells? Explain. (1pt)
Compare and contrast amino acids and nucleic acids. The answer could be one or the other, both, or neither.
a. Which contains nitrogen?
b. Which contains a sugar in its monomer?
c. Which forms peptide bonds?
d. Which can form hydrogen bonds?
drugs used to treat hypertension often work by blocking different components of the Simple Notification Service. explain how
inhabiting the Simple Notification Servicemay act to lower blood pressure
Identify five important components used for the Pediatric Basic Screening Survey when assessing a child’s oral health status
a. A 6 month dental recare appointment
Sealant on permanent molars
Presence of treated decay
A fluoride vanish treatment
A child’s first visit to the dentist
Presence of untreated decay
Early childhood caries presence
The urgency of need for dental care
What is a BSS Basic Screening Survey? a. A survey to access the oral needs of school children or adults including a visual inspection of the mouth
b. a visit to the dentist
c. a thorough clinical dental exam
d. a medical evaluation of a child or adult
2. The Basic Screening Survey BSS identifies and records the following:
Identify all that apply
a. Obivious dental decay
b. A tooth that is lost due to decay
c. Sealants on permanent molars
d. Interproximal caries on dental radiographs
e. All choices are correct
3. The Basic Screening Survey is often an underestimate of actual dental disease present
True
Identify five important components used for the Pediatric Basic Screening Survey when assessing a child’s oral health status
a. A 6-month dental care appointment
Sealant on permanent molars
Presence of treated decay
A fluoride vanish treatment
A child’s first visit to the dentist
Presence of untreated decay
Early childhood caries presence
The urgency of need for dental care
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