Sains bab 2 Tingkatan 2 Flashcards

1
Q

Senaraikan aliran tenaga dalam ekosistem

A

Pengeluar, pengguna primer, pengguna sekunder, pengguna tertier, pengurai

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2
Q

Apakah itu rantai makanan?

A

Menunjukkan hubungan pemakanan antara organisma

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3
Q

Bagaimanakah siratan makanan dibentuk?

A

Gabungan rantai makanan

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4
Q

Apakah itu respirasi?

A

Membebaskan karbon dioksida

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5
Q

Dalam siratan makanan, sebahagian tenaga hilang kerana..?

A

Digunakan oleh organisma utk bergerak dan menjalankan proses hidup lain seperti respirasi

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6
Q

Kitar nutrien dibahagi kepada 3, iaitu

A

Kitar oksigen, kitar karbon dan kitar air

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7
Q

Spesies ialah

A

Sekumpulan organisma yg mempunyai ciri2 serupa dan berupaya utk membiak antara satu sama lain

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8
Q

Populasi ialah

A

Sekumpulan organisma yg sama spesies

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9
Q

Komuniti ialah

A

Beberapa populasi yg berbeza hidup bersama dan saling berinteraksi di suatu habitat

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10
Q

Ekosistem ialah

A

Beberapa komuniti yg hidup bersama(termasuklah benda bukan hidup ; air, udara, tanah)

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11
Q

Habitat ialah

A

Persekitaran/tempat

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12
Q

Apakah kawalan biologi?

A

Kaedah mengawal populasi haiwan perosak di suatu kawasan

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13
Q

Jenis2 interaksi dengan haiwan

A

Mangsa-pemangsa, komensalisme, parasitisme, mutualisme, persaingan

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