Science and Biology- part 1 Flashcards

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1
Q

What is science?

A

Science is the study of living and non- living things, and the world around us.

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2
Q

What are scientists?

A

Scientists are people who carry out research, give information and make new materials.

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3
Q

What is an hypothesis?

A

An hypothesis is a reasonable explanation of a problem.

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4
Q

What is Biology?

A

The study of living organisms.

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5
Q

What is Botany?

A

The study of plants.

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6
Q

What is Zoology?

A

The study of animals.

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7
Q

What is Chemistry?

A

The study of the structure and the behavior of substances.

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8
Q

What is physics?

A

Study of matter, energy, and how they inter- relate.

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9
Q

What is Astronomy?

A

Study of celestial objects.

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10
Q

What is Geology?

A

Study of the Earth’s crust and other planets.

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11
Q

What is Meteorology?

A

Study of the climate and weather.

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12
Q

What is Oceanography?

A

Study of oceans.

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13
Q

What is a microscope?

A

An instrument that produces an enlarged image of a specimen.

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14
Q

What are the 3 danger symbols that u may find in a lab?

A
  • Corrosive
  • Flammable
  • Poison
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15
Q

What are the 7 processes/activities that must take place in order for something to be classified as a living thing?
Hint: MR GRENI

A
  • Movement
  • Respiration
  • Growth
  • Excretion
  • Nutrition
  • Irritability
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16
Q

What is respiration?

A

The release of energy from food.

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17
Q

What is reproduction?

A
  • organisms making copies of themselves

* the production of offspring by a sexual or asexual process.

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18
Q

What is irritability?

A

Ways organisms respond to stimulus (stimuli- plural).

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19
Q

What are the levels of organization of an organism?

A

Cells–Tissues–Systems–Organism

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20
Q

What is a cell?

A

A cell is the basic unit of all living organisms.

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21
Q

What is the function of the nucleus?

A

Controls the activities of the cell.

22
Q

Where are organelles embedded in a cell?

A

In the cytoplasm

23
Q

What is the protoplasm made of?

A

*the nucleus
and
*cytoplasm

24
Q

Where does photosynthesis takes place in a cell?

A

In the chloroplast

25
Q

What is the function of the cell wall in a plant cell?

A

It provides the cell with support and protection.

26
Q

What is the function of the cell membrane?

A

Controls what material enters and leaves the cell.

27
Q

What is the function of the mitochondria?

A

It serves as sites for energy production.

28
Q

Where does Respiration takes place?

A

In the mitochondria

29
Q

What is the function a the vacuole?

A

It stores waste, food materials and minerals.

30
Q

Plants that live in water are______.

Plants that live on land are______.

A
  • Plants that live in water are -aquatic-

* Plants that live on land are -terrestrial-

31
Q

What are the two types of Angiosperms?

A
  • Dicotyledons

* Monocotyledons

32
Q

What are the 2 groups that the animal kingdom is divided into?

A
  • vertebrates

* invertebrates

33
Q

What are the 5 classes of vertebrates?

A
  • fish
  • amphibians
  • reptiles
  • birds
  • mammals
34
Q

What are cold-blooded animals?

A

Cold-blooded animals are animals that changes their body temperature with the temperature of their surrounding.

35
Q

What are warm-blooded animals?

A

Warm-blooded animals are animals that maintain a constant body temperature regardless of the temperature of their surroundings.

36
Q

What are the 3 classes of a mollusk?

A
  • Gastropods
  • bivalve
  • Cephalopod
37
Q

What is the female reproductive part of the flower and what parts of the flower does it consists of?

A

The pistil is the female reproductive part and it consists of stigma, style and ovary.

38
Q

What is the male reproductive part of the flower and what does it consist of?

A

The stamen is the male reproductive part and it consists of the anther and the filament.

39
Q

What part of the flower covers the flower’s bud, protects it and keeps it from drying out?

A

The sepals

40
Q

What part of the flower attracts insects and birds that helps pollinate the flower?

A

The petals

41
Q

What part of the flower contains pollen grains which contains the sperm cells?

A

The anther

42
Q

What part of the flower contains ovules which contains the egg sells?

A

The ovary

43
Q

What is pollination?

What is self-pollination?

A

When a pollen grain arrives on a stigma- pollination

When a pollen grain is carried from the anther to the stigma of the same flower- self pollination

44
Q

What is germination?

A

When the conditions are met and the embryo inside the seed develops into a self- supporting plant.

45
Q

What is the formula for photosynthesis?

A

6 H2O + 6 CO2 + sunlight = 6 O2 + C6H1206

46
Q

What part of the flower conducts photosynthesis?

A

The leaves

47
Q

What part of the of the flower transports water and minerals to other part of the flower?

A

The stems

48
Q

List 2 functions of the roots.

A
  • Anchors the plant

* Absorbs water and minerals from the soil

49
Q

What part of the seed allows water to enter the seed?

A

The micropyle- a small hole in the testa

50
Q

What is the job of the Testa?

A

To protect the seed from bacteria and insects

51
Q

What is the embryo made up of?

A

The radicle and plumule

52
Q

Which part of the seed has stored food?

A

The cotyledon