ورق عمل الدرس الثالث العلاقات في النظم البيئية علوم صف خامس

الصف الصف الخامس
الفصل علوم الصف الخامس
المادة الفصل الاول
حجم الملف 247 KB
عدد الزيارات 317
تاريخ الإضافة 2020-07-29, 22:30 مساء

ورق عمل الدرس الثالث العلاقات في النظم البيئية علوم صف خامس : نقدم اليكم في هذا الملف مجموعة من أوراق العلوم الهامة والتي تتضمن عددا من الأسئلة والتدريبات الشاملة ، من منهج العلوم الصف الخامس ،و قد تم تصميم هذا الملف لمساعدة طلابنا الاعزاء، في دراستهم و تحضيرهم للامتحان النهائي بشكل متكامل.

 

Science Grade 5 Lesson 3

Relationships in Ecosystems

Competition : the fight for limited resources

 Limiting factor : is any resource that restricts the growth of populations

 Abiotic limiting factors : water, temperature, weather, soil type, space to grow shelter and sunlight

 Biotic limiting factors: the amount of available food

 Carrying capacity, is the greatest number of individuals within a population that an ccosystem can support

 

Habitat : is the physical place where an organism lives and hunts for food

Niche : is the special role that an organism plays in a community

 Symbiosis : is a relationship between two or more kinds organisms that last over times

Mutualism : a symbiotic relationship that benefits both organisms. Examples: o Pollinator (insect or bird) and a flowering plant o Ants and acacia trees o Lichens (the fungus and alg

Commensalism : a symbiotic relationship that benefits one organism without harming the other

Example : Remoras are fish attach themselves to the bodies of rays and shark to get food

transportation and protection. o Orchids growing on trees in a rain forest

 

Parasitism : symbiotic relationship where one organism benefit and the other harmed

Example :  Ticks and parasites on animals

Tapeworm in human

Amoeba cause a disease called dysentery

 

A lichen is a combination of fungus and algae that lives on the sides of trees, rocks, and other materials. The fungus provides the algae with water and minerals and the algae uses the water and minerals to make food for both organisms. What type of relationship does the lichen represent

Parasitism

 Commensali

Mutualism

When a symbiotic relationship benefits both organisms, it is an example of

 Commensalism

Mutualism

 Parasitis

 Carnivores

When a symbiotic relationship helps one organism and hurts the other it is an example of

 Commensalism

 Mutualism

 Parasitism

 the following picture is an example of what kind of symbiotic relationship

Commensalism

 Mutualism

 Parasitism

Which of the following symbiotic relationships is considered parasitic

 ticks feeding on a dog o bees transporting pollen from flowers opilot fish swimming under sharks

 birds eating the insects from the back of a hippopotamus

 Ants and acacia trees have a mutualistic relationship because

 they benefit cach other

hey are part of the same ecosystem

 they are both adapted to a humid climate

 the ants eat part of the acacia tree

Which of the following is a symbiotic relationship where one partner benefits and the other does not benefit or lose from the relationship

 commensalism

 mutualism

parasitism

 decomposition

 

Which of the following is a symbiotic relationship where both partners benefit

 commensalism

 mutualism

 parasitism

 decomposition

Which of the following is a symbiotic relationship where one partner benefits and the other is harmed

 commensalism

 mutualism

 symbolism

 Parasitism

Which of the following symbiotic relationships is considered parasitic

Tapeworm in an intestinal tract

 Becs transporting pollen from flower

Pilot fish swimming under sharks

 Birds cating the insects from the back of a hippopotamus

Ants and acacia trees have a mutualistic relationship because

 They both benefit from living with each other

They are part of the same ecosystem

 They are both adapted to a humid climate

  the ants eat part of the acacia tree

This occurs when organisms try to get the same resources

Symbiosis

 Competitiom

Predation

 Parasitism

A relationship in which one animal hunts, kills and eats another

Parasitism

Symbiosis

 Predation

 Mutualism

The animal that is hunted and killed for food

Predator

 Scavenger

Decomposer Prey

 

A close relationship between two different species of organisms living together

Food Web

 Food Chain

 Symbiosis

  Competition

A symbiotic relationship in which both species benefit

 Competitiom

 Commensalism

 Parasitism

 Mutualism

A symbiotic relationship in which on species benefits without benefiting or harming the other organism

 Competition

Parasitism

Commensalism

  Mutualism

A symbiotic relationship in which one species benefits by harming another

 Mutualism

 Competition Commensalism Parasitism

A dog and a tick are examples of which symbiotic relationship

 Predator Pree

 Parasitism

 Commensalism Mutualism

An owl and a mouse are examples of which symbiotic relationship

Mutualism

Parasitism

 Commensalism

 Predator/Prey

A clownfish lives in a sea anemone. The anemone is not hurt, but the clownfish can live in its safety. This is an example of what symbiotic relationship

 Mutualism

Parasitism

 Predator/Prey

 Commensalism

 

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