Symbiotic Relationships Worksheet Answers

Purpose: Acceptance will conduct an online analysis of vascular plants begin in South Africa’s Cape Floral Kingdom and in a bounded ecosystem (homework) and actualize an ecological alcove affiche presentation based on a vascular bulb of their choice.

Procedural overview: After account the Science News commodity “New Guinea has added accepted bulb breed than any island in the world,” acceptance will accept a conference on ecological niches. To reinforce what they apprehend and learned, acceptance will acknowledgment questions as a chic pertaining to an ecological alcove and the article. Acceptance will again conduct an online analysis of vascular plants begin in South Africa’s Cape Floral Kingdom, a arena affluent in biodiversity.  Acceptance can assignment alone or in pairs application a array of online sources. As a appointment activity, acceptance can conduct a agnate analysis in a bounded ecosystem. From the plants they analyze (either in the Cape Floral Kingdom or the bounded ecosystem), acceptance will accept one to highlight in an ecological alcove poster. The acceptance can actualize the affiche presentation on a computer or by hand. If time permits, acceptance can present their posters to the class. If not, acceptance can abide their posters for affectation on a classroom bank for added acceptance to view.

Want to accomplish it a basic lesson? Column the articulation to the Science News commodity “New Guinea has added accepted bulb breed than any island in the world” to your basic classroom. Ask acceptance to apprehend the commodity and acknowledgment the questions as a class. Pair up acceptance for the anterior activity. Acceptance can column their analysis allegation to an online altercation board. Acceptance additionally can conduct a acreage analysis in a bounded ecosystem and column their analysis allegation to an online altercation board. For the final affiche presentation activity, acceptance assignment alone to actualize their posters by duke or with a computer affairs such as PowerPoint. Acceptance can booty a photo of their handmade posters and upload the photo to an online altercation board. Similarly, acceptance application a computer can upload their posters to an online altercation board.

Approximate chic time: 2 chic periods

Supplies:

Software such as PowerPoint, Word, Google Docs, Google Slides, Prezi, Canva

Computer with internet access

Printer cardboard or affiche boards

Pencils/color pencils/markers

Glue

Creating a Vascular Plant’s Ecological Alcove apprentice worksheet

Online admission to analysis advice (vascular tissues, ecological alcove and vascular bulb of interest) or a analysis textbook

Plant identification apps such as PlantNet, LeafSnap, PlantSnap or Google Lens

Directions for teachers:

Background

An ecological alcove is authentic as the position or action of a breed aural its environment. The abstraction encompasses how the breed interacts with and lives in its ambiance and includes the amoebic and abiotic factors that acquiesce a breed to alive breadth it lives. Amoebic factors are active apparatus — such as plants and animals — in an ecosystem. Abiotic factors are nonliving factors — such as temperature, damp and ablaze — that affect an ecosystem.

Species aural an ecosystem collaborate with their own affectionate and added breed in a array of ways, including through competition, predation and symbiosis. Antagonism involves the alternation of bacilli allusive for a ability with a bound supply. Predation involves one animal agriculture on addition organism. Symbiosis is a accord amid altered breed breadth at atomic one benefits. Symbiotic interactions accommodate mutualism, commensalism and parasitism. Mutualism is a accord breadth both bacilli complex account from the relationship. In commensalism, one animal allowances while the added is not afflicted abnormally or positively. In parasitism, one animal allowances while the added is afflicted negatively.

A breed is ancient back it alone lives in one specific location. An ancient breed can be begin aural a ample or a baby area. Because their geographic ambit is so limited, ancient breed face a greater accident of acceptable endangered or extinct.  A breed is aboriginal back its attendance in a accurate breadth is due to accustomed processes and not animal intervention. Aboriginal breed may be begin in added than one breadth and are sometimes broadly dispersed.

Suggested timeline

During the aboriginal chic period, acceptance will apprehend the article, be alien to the abstraction of ecological alcove and altercate questions about the commodity and an ecological niche. Paired acceptance will conduct an online bulb analysis of the Cape Floral Kingdom. A bounded bulb analysis will be done alone as a appointment activity.

During the additional chic period, acceptance will assignment on their posters and present their assignment to the class. If time is limited, acceptance can abide their posters for affectation in the classroom.

The setup

After acceptance apprehend the Science News commodity “New Guinea has added accepted bulb breed than any island in the world,” acquaint them to the abstraction of an ecological niche.      

To accord acceptance a bigger compassionate of ecological niche, use a xerophytic bulb as an example. Xerophytic plants survive in a alcove ambiance that has little water, or alone melancholia water. This is an archetype of an abiotic factor.

Ask the chic to acknowledgment questions about xerophytic plants and the environments breadth they grow. Encourage acceptance to use a arbiter or online ability to chase for information.

Ecological alcove questions

1. In which alcove environments are xerophytic plants found?

Student answers will alter but should accommodate one or added of these: deserts, alkali marshes, littoral regions, the Arctic and the Antarctic.

2. What are examples of xerophytic plants?

Student answers will vary. Ephemeral or brief xerophytes accommodate thistles (Carthamus oxycantha), nightshade or Thai eggplant (Solanum xanthocarpum), tackweed (Tribulus terrestris) and bean plant, ice bulb or pigweed (Trianthema monogyna). Among the succulents are Opuntia (prickly pear), Aloe, Agave, Kalanchoe and Sedum. Abounding ache copse (Pinus), Erica (heaths) and Calluna (heathers) accept some xerophytic characteristics.

3. How do xerophytic plants survive in their alcove environments?

They survive by adapting to access baptize intake, absolute baptize accident and abundance water.

4. How are xerophytic plants acclimatized to survive in their alcove environment?

Student answers will vary.  Adaptions accommodate blubbery ample leaves to abundance baptize and continued roots to access baptize intake. Waxy coatings on leaves and cease of stomata (pores on plants that ascendancy gas exchange) absolute baptize loss.

Article-related questions

After introducing ecological alcove and answering the questions above, altercate the afterward questions pertaining to the commodity with the class. Acquiesce acceptance to attending up advice breadth necessary.

1. About how abounding vascular bulb breed accept been begin in New Guinea? Of these, how abounding are alone begin in New Guinea?

There are added than 13,600 vascular plants species; added than two-thirds of them are endemic.

2. The greatest cardinal of bulb breed begin in New Guinea belonged to what bulb type? What bulb blazon featured the atomic cardinal of species?        

Tree breed are the best abundant, and breed of timberline ferns are the least.

3. What are epiphytes?

Epiphytes are nonparasitic plants that abound on added plants.

4. The commodity mentioned that vascular plants accept specialized tissue to carriage nutrients. Analysis two types of vascular tissues begin in plants and what anniversary transport.

Xylem transports baptize and attenuated minerals from the roots to stems and leaves, and phloem transports sugars/food from photosynthesizing beef to added genitalia of the plant.

5. Application an online source, name at atomic one bulb breed in New Guinea and call its adjustment to its alcove environment.

Student answers will alter depending on the called bulb species. For example, orchids can be begin in New Guinea from the lowland rainforests to the high acropolis forests. One acclaim adjustment is accepting roots with a ample apparent breadth to blot nutrients and baptize rapidly.

Partner discussion/ecological alcove action for South Africa

Students assignment in pairs to analysis examples of plants begin in the Cape Floral Kingdom. Application the assets provided below, acceptance will baddest at atomic three types of bulb for anniversary life-form class present in this region.

Cape Floral Kingdom resources:

South Africa (World Wildlife Fund)    

The National Botanical and Zoological Gardens (South African National Biodiversity Institute)

B.E. Van-Wyk. “The abeyant of South African plants in the development of new alleviative products.” South African Journal of Botany.

Student answers will alter but may accommodate some begin in the table provided in the Cape Floral Kingdom acknowledgment key. Accept the acceptance use the table in their adviser to adapt their surveys.

Plant analysis abutting to home

Students can accomplish a acreage analysis in their bounded neighborhood. Application bulb identification apps, acceptance will analysis vascular plants begin in a bounded ecosystem. Possibilities accommodate a conservatory, backyard, bounded park, adjacent backwoods or any breadth with some bulb variety. This action can be a appointment advantage breadth acceptance will assignment individually. Acceptance can use a bulb from this analysis or the Cape Floral Kingdom analysis to actualize their affiche presentation.

Plant identification apps:

PlantNet

LeafSnap

PlantSnap

Google Lens

Student answers will vary. Accept them use a table like the one begin on the Creating a Vascular Plant’s Ecological Alcove apprentice worksheet to adapt their surveys. Note that the bulb categories for a table based on bounded plants may be different. The acceptance may charge advice free regionally adapted categories.

Poster preparation

After commutual their bounded surveys, acceptance will assignment on their own to actualize a affiche focused on one bounded vascular bulb or one from South Africa. Students’ posters will vary, but acceptance should accommodate the afterward advice in their affiche presentation: the plant’s accepted and Latin name, its life-form type, a description of its abode (include abiotic and amoebic factors), agriculture method, action patterns and ecology adaptations. Accommodate a account of the bulb and be abiding to acclaim the source. Apprentice posters should be artistic breadth accessible with basal use of words.      

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