sains f2 Flashcards

1
Q

maksud biodiversiti?

A

banyak ii organisma,mikroorganisma/tumbuhan/haiwan.

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2
Q

3 kepentingan biodiversiti?

A

tempat rekreasi,sumber makanan,keseimbangan alam.

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3
Q

beza antara invertebrata&vertebrata?

A

invertebrata:tidak bertulang belakang
vertebrata:bertulang belakang

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4
Q

ikan poikiloterma/homoioterma?

A

poikiloterma

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5
Q

golongan haiwan apa homoioterma?

A

burung&mamalia

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6
Q

maksud vaskular?

A

sistem vaskular yg mengangkut air & makanan ke seluruh tumbuhan.tumbuhan ini juga mempunyai akar,batang dan daun yg nyata

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7
Q

ciri monokotiledon?

A

-satu kotiledon
-akar serabut
-urat daun selari
-kebanyakan btg lembut

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8
Q

maksud kotiledon?

A

makanan simpanan yg digunakan utk biji benih bercambah

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9
Q

ciri dikotiledon?

A

-dua kotiledon
-akar tunjang
-urat daun jejala
kebanyakan btg keras

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10
Q

3 contoh pokok tak berbunga?

A

konifer,lumut,paku pakis.

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11
Q

pengguna primer karnivor/omnivor/herbivor?

A

omnivor&herbivor

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12
Q

hubungan pengurai dikenali as?

A

saprofitisme.

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13
Q
A
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