Feeding Relationships
Gbogbo ọrọ náà
Every organism needs energy, and that energy almost always traces back to the Sun. Plants capture light energy and lock it into glucose. Herbivores eat the plants. Carnivores eat the herbivores. At every step, most of the energy is used up rather than passed on, which is why food chains rarely have more than five links.
In this lesson you will learn the names ecologists give to each feeding level, build food chains and food webs, and explore three types of ecological pyramid. You will also discover why only about 10% of energy transfers from one trophic level to the next - a fact that shapes ecosystems worldwide.
Ebumnobi
- Understand the names given to different trophic levels, including producers, primary, secondary and tertiary consumers and decomposers
- Understand the concepts of food chains, food webs, pyramids of number, pyramids of biomass and pyramids of energy transfer
- Understand the transfer of substances and energy along a food chain
- Understand why only about 10% of energy is transferred from one trophic level to the next
Akọmọ Ojú-ẹkọ
Ọ dị na ngwa Green Bridge
Budata ngwa Green Bridge CBT na ekwentị maọbụ kọmputa gị iji nweta akwụkwọ ndụmọdụ zuru oke, ajụjụ mmụta, na ndị ọzọ.
Ayẹwo Ẹkọ
Ekele diri gi maka imecha ihe karịrị na Feeding Relationships. Ugbu a na ị na-enyochakwa isi echiche na echiche ndị dị mkpa, ọ bụ oge iji nwalee ihe ị ma. Ngwa a na-enye ụdị ajụjụ ọmụmụ dị iche iche emebere iji kwado nghọta gị wee nyere gị aka ịmata otú ị ghọtara ihe ndị a kụziri.
Ị ga-ahụ ngwakọta nke ụdị ajụjụ dị iche iche, gụnyere ajụjụ chọrọ ịhọrọ otu n’ime ọtụtụ azịza, ajụjụ chọrọ mkpirisi azịza, na ajụjụ ede ede. A na-arụpụta ajụjụ ọ bụla nke ọma iji nwalee akụkụ dị iche iche nke ihe ọmụma gị na nkà nke ịtụgharị uche.
Jiri akụkụ a nke nyocha ka ohere iji kụziere ihe ị matara banyere isiokwu ahụ ma chọpụta ebe ọ bụla ị nwere ike ịchọ ọmụmụ ihe ọzọ. Ekwela ka nsogbu ọ bụla ị na-eche ihu mee ka ị daa mba; kama, lee ha anya dị ka ohere maka ịzụlite onwe gị na imeziwanye.
- Which trophic level contains producers? A) Level 2 B) Level 1 C) Level 3 D) Level 4 Answer: B
- Approximately what percentage of energy is transferred from one trophic level to the next? A) 50% B) 90% C) 10% D) 100% Answer: C
- Which type of ecological pyramid is always pyramid-shaped? A) Pyramid of numbers B) Pyramid of energy C) Both A and B D) Neither A nor B Answer: B
- In a food chain, the arrows show: A) The direction predators move B) The direction of energy transfer C) The size of organisms D) The habitat of organisms Answer: B
- What is the main reason energy is lost between trophic levels? A) Photosynthesis B) Respiration C) Reproduction D) Growth Answer: B
Ọ dị na ngwa Green Bridge
Budata ngwa Green Bridge CBT na ekwentị maọbụ kọmputa gị iji nweta akwụkwọ ndụmọdụ zuru oke, ajụjụ mmụta, na ndị ọzọ.
Ọ dị na ngwa Green Bridge
Budata ngwa Green Bridge CBT na ekwentị maọbụ kọmputa gị iji nweta akwụkwọ ndụmọdụ zuru oke, ajụjụ mmụta, na ndị ọzọ.
Àwọn Ìwé Tó Dáa Láti Kà
Meecha Ajụjụ Ule Ọmarịcha
Ị chọrọ ime ajụjụ ule ọmarịcha gbasara Feeding Relationships? Budata ngwa Green Bridge CBT iji nweta ajụjụ ule ọmarịcha na nyocha zuru ezu gbasara isiokwu a.
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