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Biblioteka

Sci. 7 -Plants for Food and Fibre FINAL (R)

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Pitanje 1
1.

The largest group of plants in the world is seed plants. The structure in seed plants that function to produce food for the plant is the ...

Pitanje 2
2.

The structure in seed plants that supports the other parts of plant is the ...

Pitanje 3
3.

The function of the root is to ...

Pitanje 4
4.

Moving water up a plant from the roots to the leaves occurs by a combination of different processes. The main process that draws water up from the plant roots is...

Pitanje 5
5.

Water travels from the roots, up the stem to the leaves, through tiny tubes. The attraction of the water particles to each other is called ...

Pitanje 6
6.

A process that does not require a difference in substance concentration is called...

Pitanje 7
7.

The beginning and end of a seed plant are selected actions that take place. The beginning of a seed plant is when a seed begins to grow into a plant. The end of the process is when a seed plant ...

Pitanje 8
8.

Usually found in the very center of the flower, the female part of the flower is called the ...

Pitanje 9
9.

Plants can also reproduce without seeds. Stems can reproduce new plants. Stems that grow underground and reproduce without seeds are called ...

Pitanje 10
10.

To protect the thin needle-like leaves of white spruce trees from drying out, they are coated with a thick layer of...

Pitanje 11
11.

One of the nutrients that plants need to grow healthy and develop properly is nitrogen. If plants do not get enough nitrogen, their leaves will ...

Pitanje 12
12.

Plants are grown in artificial environments and get all the nutrients they need without variations in growing conditions. This is possible in a ...

Pitanje 13
13.

The four classification categories of vegetation (plant) cover in Canada include: forest, tundra, barren and this category ...

Pitanje 14
14.

Plants prevent the process that moves soil from place to place, because their roots hold the soil in place. This process is ...

Pitanje 15
15.

All organisms are connected within an ecosystem. Plants are the most important because they make their own food and they are the ...

Pitanje 16
16.

Destruction of many of the native species, in the grassland regions of Alberta, was caused by...

Pitanje 17
17.

Proper forestry practices can increase the diversity of species in the forest. This is possible because careful cutting can ...

Pitanje 18
18.

Foresters, who harvest forests for the many products they provide, must follow certain regulations in order to keep this resource healthy and renewable. These regulations are established by people who...

Pitanje 19
19.

Soil is a natural resource. The components of soil include organic matter and minerals. When soil contains partly decayed organic matter it is called ...

Pitanje 20
20.

This type of soil has mostly minerals and does not retain moisture very well ...

Pitanje 21
21.

Good healthy soil contains soil-dwellers and decomposers. The four main types of decomposers are...

Pitanje 22
22.

When earthworms are moving through the soil they eat it, grind it, digest it and mix it. Their mucus helps stick the particles together and their tunnels provide...

Pitanje 23
23.

Farmers need to make money when growing crops. Most farmers only grow one type of crop in a particular area. This type of farming is called...

Pitanje 24
24.

The practice of planting a particular type of crop in a field every year, to match the nutrients the soil has for this particular type of crop is called ...

Pitanje 25
25.

Many farming practices are used to save the soil from excess erosion. Planting trees or shrubs along the edges of field is one such practice. The purpose behind this is to ...

Pitanje 26
26.

An artificial plant environment is one in which all of the growing conditions can be controlled. The following is an example of an artificial environment...

Pitanje 27
27.

Spreading manure over cropland is a technique growers use to improve the yield of different crops. This action adds this nutrient to the soil...

Pitanje 28
28.

A group of organisms that all have similar traits and who's offspring can reproduce are called a...

Pitanje 29
29.

A very small section of a plant cell's nucleus is called a...

Pitanje 30
30.

The process which combines genetic material from one organism into another organism, to make a new organism is called genetic...

Pitanje 31
31.

Canola is an oilseed crop that is valued for its...

Pitanje 32
32.

Organic food is food that has been grown without the use of chemical fertilizers and chemical pesticides. To provide the needed nutrients to grow the plants, they use ...

Pitanje 33
33.

Chemicals that are used as pesticides can wash off many plants and become poisonous in the soil. This is referred to as soil...

Pitanje 34
34.

When we don't investigate all of the possible factors and outcomes for our actions in the environment, these might occur...

Pitanje 35
35.

Balancing the needs of humans and the needs of the environment is called 'Environmental...

Pitanje 36
36.

One of the effects of monoculture farming practices is that pests feeding on that crop have a large food supply. Monoculture is also a farming practice that actually lowers ...

Pitanje 37
37.

Forestry practice can disrupt some predator-prey relationships. Logging roads actually help predators find their prey, because the prey...

Pitanje 38
38.

What was the name of the ancient Greece Port City that disappeared due to erosion?