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science > characteristics of organisms > Flashcards

characteristics of organisms Flashcards

1
Q

what are common characteristics of organisms?

A

GRIMCREN-
GROWTH
RESPIRATION
IRRITABILITY
MOVEMENT
CELLULAR ORGANIZATION
REPRODUCTION
EXCRETION
NUTRITION

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2
Q

what is the structural and funtional unit of organisms
?

A

cell

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3
Q

what is zygote?

A

product of fertilization of an egg with sperm

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4
Q

what are the steps of development of an embryo?

A

egg+sperm——-embryo——–cell divison———-multi cellular organisms

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5
Q

what is the function of phloem tissue?

A

translocation of food throughout plant body

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6
Q

what is the function of xylem tissue?

A

transportation of water and mineral throughout plant body

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7
Q

what is the function of root hair cells ?

A

absorption of water and mineral to plant body

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8
Q

what is the function of guard cell?

A

controlling the opening and closing of stomata

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9
Q

what is the function of palisade cells?

A

carryout photosynthesis

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10
Q

what is the function of pollen cells?

A

male game which carry out reproduction

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11
Q

what is the function of neuron-nerve cell?

A

transmit nerve impulses

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12
Q

what is the function of WBC?

A

fight against diseases

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13
Q

what is the function of RBC?

A

transport oxygen throughout the body

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14
Q

what is the function of muscle cells?

A

involve in contractions and relaxations

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15
Q

what is the function of skin cell?

A

protect the internal body organs

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16
Q

what is the function of gametes(sperms and eggs)?

A

involved in reproduction

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