3.1 - Cells, Tissues, & Systems Flashcards Preview

Science 10 Unit C Biology Section 3 > 3.1 - Cells, Tissues, & Systems > Flashcards

Flashcards in 3.1 - Cells, Tissues, & Systems Deck (27)
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1

Organisms of any ______ can survive if both their needs and the challenges of their environment are met.

Kind

2

A ______ organism depends on the normal function of a single cell

Unicellular

3

A ______ organism depends on the normal function and interaction of countless cells that make up its large structure

Multi-cellular

4

Advantages and disadvantages of multi-cellularity part 1: ⭐️ (you got this wrong on the test)
When cells are specialized for one particular function, they can perform ______ more effectively and efficiently

Division of labour

5

Adavantages and disadvantages of multi-cellularity part 2: ⭐️(you got his wrong on the test)
The SA to V ratio and the related rate of diffusion restricts the ______ of a unicellular organism.
Internal transport systems need to be in place for multi-cellular organisms to efficiently transport and exchange materials
SA to V ratio of a cell is preferred to be small or skinny and long

Size

6

Adavantages and disadvantages of multi-cellularity part 3:
The life of a multi-cellular organism does not depend on the proper functioning of a single cell in order to survive it is ______ of other cells

Dependent
"Interdependence of cells"

7

Unicellular and multi-cellular are ______ types of systems

Open

8

Unicellular obtain food ______ from the environment whereas multi-cellular obtain from the environment and then ______ it to all ______

Directly
Transfers
Cells

9

Unicellular and multi-cellular both ______ homeostasis

Maintain

10

In unicellular ______ functions are performed by that cell. In multi-cellular, specialization of functions occurs through the cellular differentiation ______ tissues, organs, and organ systems

All
Forming

11

Unicellular exchange gases ______ with the environment, multi-cellular exchange gases with special structures (______ system) transporting gases to and from the cells

Directly
Vascular

12

Unicellular remove waste ______ with the environment. Multicellular remove waste with special ______ in place.

Directly
Structures

13

Plants are ______. They can be regarded as living systems made up of many parts, each performing its own function.

Multi-cellular

14

As plants grow and increase in size, the ______ begin to have specialized functions. Every cell contains the same genetic material, but individual cells perform ______ jobs within the organism. Each cells performs a ______ job

Cells
Particular
Different

15

Groups of cells performing the same functions are called ______. These contributing to the same function form ______ which are part of an ______

Tissues
Organs
Organ system

16

The plant has two organ systems:

Shoot system
Root system

17

Shoot system of a plant:
- everything ______ ground
- stems, leaves, buds, flowers, and fruits
- tubers (swollen stems that store food)

Above

18

Root system of plants:
- everything ______ ground
- roots

Under

19

Cells divide for the growth of ______ tissue and repair of ______ tissue

New
Damaged

20

______ is the process of cell division that allows growth and repair

Mitosis

21

In plants, increase in size results from cell division in particular grown areas called ______

Meristems

22

Three main types of plant tissues:

Dermal tissue
Ground tissue
Vascular tissue

23

Dermal tissue (______)
- outer layer of cells that cover all herbaceous (non woody) plants
- primarily involved in ______ exchanges of carbon dioxide and oxygen
- also ______ the plant from disease, the cells from the leaves and stems secrete a waxy substance called ______ that resist micro-organism invasion and reduces water loss
- usually one cell layer thick
- in worry plants, the ______ is replaced by cork and bark

Epidermis
Gas
Protects
Cuticle
Epidermis

24

Ground tissue
- makes up the ______ of the plant
- found as the layer beneath the ______
- several important functions:
~ ______: strength and support the only plant
~ ______: food and water storage
~ ______: location where photosynthesis occurs
- cells in the ground tissue are loosely packed together with air spaces between to allow gases to ______ rapidly through the tissue

Majority
Epidermis
Stems
Roots
Leaves
Diffuse

25

Vascular tissue
- ______ of materials through the plant

Transport

26

Vascular xylem tissue
~ moves ______ and dissolves ______ from the roots up the stems to where these substances are used for photosynthesis
~ thick walled tubes of varying diameters

Water
Minerals

27

Vascular phloem tissue
~ transports ______ from the leaves to other parts of the plants
~ ______ is used to provide energy for cellular processes such as protein manufacture, or are converted to ______
~ ______ provides fibrous structures which give the plant strength and support

Sugars
Sugar
Cellulose
Cellulose