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Science extra credit > Animal & plant systems > Flashcards

Animal & plant systems Flashcards

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1
Q

What are the two body systems that communicate with other organ systems by sending signals to target organs?

A
  1. Nervous system
  2. Endocrine system
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2
Q

What are the two types of signals that are used to communicate with other organ systems?

A
  1. Chemical signals
  2. Nerve signal
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3
Q

What is homeostasis?

A

Homeostasis is keeping the internal environment within a set range.

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4
Q

Which body systems transports materials like nutrients , oxygen, waste, and hormones to and from other organ systems?

A

Circulatory systems

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5
Q

Which body system interacts with other organ systems to perform functions related to food processing?

A

Digestive system

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6
Q

Which body system sends hormones signals to influence growth, development, and metabolism?

A

Endocrine system

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7
Q

Insulin, adrenaline oxygen, melatonin, testosterone estrogen, and cortisol are all types of what?

A

Hormones

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8
Q

The pancreas is a major part of which two organ systems?

A

1.Digestive
2.Endocrine

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9
Q

Which body system interprets information gathered from sight, sound, smell, taste, and touch?

A

Nervous system

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10
Q

Which body system produces contractions that allow for voluntary and involuntary movement?

A

Muscular system

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11
Q

Which body system interacts with other systems to perform functions related to breathing and gas exchange?

A

Respiratory system

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12
Q

The diaphragm is a major part of which two organ systems?

A
  1. Muscular
  2. Respiratory
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13
Q

Which body system generates white blood cells that are used to fight disease?

A

Immune system

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14
Q

Which body system interacts with other systems to eliminate water such as urine, sweat, and carbon dioxide?

A

Excretory system

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15
Q

Which body system protects against mechanical injury, dehydration, and reduces harmful effects from substances like UV radiation?

A

Integumentary

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16
Q

What is the waxy dermal tissue in plant leaves called? What is it for?

A

The waxy dermal tissue is called the cuticle and it’s to help prevent the loss of water and damage to the plant?

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17
Q

What’s are the two types of vascular tissue in plants?

A
  1. Xylem
  2. Phloem
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17
Q

What is the function of ground tissue in plants?

A

Used for metabolism, nutrients , storage and structural support

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17
Q

What is the function of leaves in plants?

A
  • collects sunlight
  • site of photosynthesis
  • exchange of photosynthesis
18
Q

What is the function of xylem?

A

To transport water and dissolved minerals upward to the leaves.

18
Q

What is the function of phloem?

A

To transport sugars, foods, and hormones from the leaves to the rest of the plant.

18
Q

What is the function of roots in plants?

A
  • anchors the plant to the ground
  • absorbs water and minerals
  • stores nutrients
18
Q

What is the function of shoot (stems) in plants?

A
  • provides structure and support
  • positions the leaves to collect sunlight
18
Q

What is the function of flowers/cones for an plant?

A
  • contains structures for reproduction
19
Q

What is the stomata?

A

Allows gases to move in and out of the plant.

20
Q

What are two substances exit an open stomata?

A
  1. Water
  2. Oxygen
21
Q

What are two substance enters an open stomata?

A

Carbon dioxide

22
Q

Why would a stomata close?

A

To prevent water loss

23
Q

What is the function of guard cells?

A

Guard cells control how open or closed the stomata is.

24
Q

How does the amount of stomata differ with small, narrow leaves vs. plants with large board leaves?

A

Narrower leaves have a higher density of stomata them larger leaves.

25
Q

What is pollination? How is it different from fertilization?

A

Pollination is the transfer of pollen from the anther to the stigma and fertilization is the transfer of pollen from the stigma into the ovule.

26
Q

What do pollen grains contain?

A

Pollen

27
Q

What are the egg cells in plants called?

A

Ovules

28
Q

What is the male part of the flower?

A

The staMEN

29
Q

What are the the two components of the male part?

A
  1. The anther
  2. The filament
30
Q

What is the female part of the flower?

A

The carpel

31
Q

What are the 3 components of the female part?

A
  1. The stigma
  2. The style
  3. Ovary
32
Q

What are fertilized ovules called?

A

A seed

33
Q

How is self pollination different from cross pollination? Which one is better for biodiversity ?

A

Self pollination is the transfer of pollen from the anther to the stigma of the same plant, cross pollination is the transfer of pollen from the anther to the stigma of an another plant. Cross pollination is better for the biodiversity of plants species.

33
Q

Once an ovule is fertilized, the ovary of a flower grows into a…

A

Fruit

34
Q

What are the steps of pollination?

A

Pollen is transferred from the anther to the stigma.

35
Q

What is plant tropism?

A

A directed movement in response to an environmental stimulus

36
Q

Define all 4 plants tropism

A
  1. Phototropism - movement of plants towards LIGHT
  2. Geotropism - movement of plants toward GRAVITY
  3. Hydrotropism - movement of plants toward WATER
  4. Thigmotropism -movement of plants toward TOUCH
37
Q

What are the 5 plant hormones?

A
  1. Auxin
  2. Gibberellins
  3. Cytokinins
  4. Ethylene
  5. Abscisic acid
38
Q

Which tropism does auxin promote?

A

Phototropism

Science extra credit (1 decks)

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