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unit_5.doc

Joy Nissan

9/23/2014

Assignment: SCIE207 Phase 5 Lab Report

Title: Taxonomy Lab to Show Organism Relationships

Part 1

Table 1: Samples 1–5

Phylum/Division

Sample 1: Chrysophyta

Sample 2: Annelida

Sample 3: Arthropoda

Sample 4: Amphibia

Sample 5: Aves

Common Feature

Nutrition

How does the organism break down and absorb food?

Autotrophic

Heterotrophic

Heterotrophic

Heterotrophic

Heterotrophic

Circulatory System (Transport)

How does the organism get what it needs to cells (open, closed, diffusion only)?

Diffusion

Closed with 5 aortic arches (hearts)

Open circulatory system with a heart pumping hemolymph

-chambered heart

With chambered heart

Respiratory System

How does the organism get oxygen and release carbon dioxide?

Diffusion

Diffusion through skin

Diffusion through tracheal tubes

Diffusion through gills as a tadpole through lungs and skin (especially) as adults

Diffusion through lungs

Reproductive System

Does the organism use asexual or sexual reproduction (eggs, seeds, spores, placenta, and type of fertilization)?

Asexual

Hermaphrodites: One body has both sexes Sexual: Has special organ called clitellum that moves from the front of the worm to the rear and then falls off, containing the eggs

Sexual: Mostly internal fertilization

Sexual: Mostly external fertilization; must be in water or very moist area

Sexual: Eggs, internal

Excretory System

How does the organism get rid of wastes and maintain an ionic balance of fluids?

Diffusion

Nephridia in each segment; solid waste exits through the anus

Malpighian tubules

Kidneys, intestines, anus

None

Growth and Development

Does the organism go through metamorphosis, develop in an egg or uterus, or grow from seeds?

Starts as small cells; grow bigger until division

Start out as fertilized eggs, hatch into little worms that continue to grow, and then mature sexually into adults

Complete (egg, larvae, pupae, adult) or incomplete (egg, nymph, adult) metamorphosis

Metamorphosis: Egg, tadpole, adult

Develop in egg

Regulation

How does the organism control body processes (hormones, nervous system)?

The nucleus directs protein synthesis. Euglena have eye spots that can detect light

Tiny anterior brain, ganglia, and the nerve cord runs the length of the body

Tiny anterior brain, nerve cord, ganglia, and extremely well-developed sensory organs

Brain, nervous system, good reflexes

Nervous and endocrine systems

Sample organism

Phytoplankton

Earthworm

Fruit Fly

Frog

Bird

Table 2: Samples 6–10

Phylum/Division

Sample 6: Reptilians

Sample 7: Mammalia

Sample 8: Bryophyta

Sample 9:

Gymnosperm

Sample 10: Angiosperm

Common Feature

Nutrition

How does the organism break down and absorb food?

Heterotrophic

Heterotrophic

Autotrophic

Autotrophic

Autotrophic

Circulatory System (Transport)

How does the organism get what it needs to cells (open, closed, diffusion only)?

Closed with 4 chambered heart

Closed with 4 chambered heart

Diffusion through cell walls and cell membranes

Xylem and phloem

Xylem and phloem

Respiratory System

How does the organism get oxygen and release carbon dioxide?

Diffusion through the lungs

Diffusion through the lungs

Diffusion through cell membranes

Diffusion through stomata

Diffusion through stomata

Reproductive System

Does the organism use asexual or sexual reproduction (eggs, seeds, spores, placenta, and type of fertilization)?

Sexual: Eggs; internal

Sexual: Placental, in-uterus development (internal)

Sexual: Alternation of generations. Must be in a moist area for the sperm to swim to the egg

Sexual: Alternation of generations. Pollen is the male sex cell

Sexual: Alternation of generations. Pollen is the male sex cell

Excretory System

How does the organism get rid of wastes and maintain an ionic balance of fluids?

Kidneys, intestines, anus

Kidneys, intestines, anus

None

None

None

Growth and Development

Does the organism go through metamorphosis, develop in an egg or uterus, or grow from seeds?

Develop in egg

Develop in-uterus

Spores, not seeds

Naked seeds in cones

Seeds protected in pods, shells, fruit, and so forth

Regulation

How does the organism control body processes (hormones, nervous system)?

Nervous and endocrine

Big brain; well-developed nervous system and endocrine system

None

Hormones in apical bud, root, and stem

Hormones in apical bud, root, stem, and leaves

Sample organism

Snake

Cat

Moss

Pine Tree

Rose

Part 2: Using the completed data table, answer the following questions:

1. What is common among all samples?

· The reproductive system within all the samples are all considered sexual in one form or another.

2. What is common among organisms from samples 1, 9, and 10?

· Samples 1, 9, and 10 are autotrophic in nature.

3. What is common between the circulatory system of organisms from samples 5, 6, and 7, but different in organisms from sample 4?

· The commonalities between 5, 6, and 7 are that they all are closed with 4-chambered heart while sample 4 is closed with a 3-chambered heart.

4. What is common in the respiration system of organisms from samples 2 and 4?

· Both of these samples process diffusion through the skin with one exception, sample 4 can only process this as an adult.

5. What gas is delivered to the respiratory system of organisms from samples 1, 9, and 10? Why?

· These samples produce Oxygen all through the process of photosynthesis. Plants absorb carbon dioxide and releases oxygen into the air. Without this gas in the air we could not survive.

6. Which organisms are producers?

· Autotrophic organisms are the producers.

7. Which organisms are decomposers?

· The heterotrophic organisms are the decomposers.

8. Look at the surface of your hand. You will see the skin and hair made up of protein called keratin. Which organisms did humans inherit that protein from?

· Mammalia would be where we inherited keratin from. This type of organism produces hair and skin just the same as a human does.

9. Which organisms have blood?

· The Heterotrophic organisms have blood flowing through their tiny little veins.

References

1. Jenny, E. (2012), eHow, Which Organisms Are Characterized as Decomposers?

http://www.ehow.com/info_8551069_organisms-characterized-decomposers.html

2. M.U.S.E., AIU Online (2012)

https://mycampus.aiu-online.com/courses/SCIE207/u3/hub1/hub.html

https://mycampus.aiu-online.com/courses/SCIE207/u3/hub1/index.html