Welte the answers to the following
questions in your own words.
(a) What are the differences between
plants and animals?
(h) What are the similarities between
plants and animals?
(c) How is the plant kingdom useful to
onime
(d) How is the animal kingdom useful
to us?
(e) What makes living things different
from non-living things?
Answers
Answer:
hi mate
a.difference between plants and animals are
plants are autotrophic
animals are heterotrophs
plants can't move from one place to another
animals can move from one place to another
b. the similarities of plants and animals are
plants and animals both are living things
plants and animals both have cell membrane
c.kingdom Plantae contains almost 300,000 different species of plants. It is not the largest kingdom, but it is a very important one!
In the process known as "photosynthesis", plants use the energy of the Sun to convert water and carbon dioxide into food (sugars) and oxygen. Photosynthesis by plants provides almost all the oxygen in Earth's atmosphere. Because plants can make their own food, they are the first step to many food chains in the world.
The first plants lived on land about 450 million years ago. Since then, plants have taken on many forms and are found in most places on Earth. Plants can live in dry places or wet places, low places or high places, hot places or cold places. Humans can't live in a world without plants, so it is very important to protect places that have plants
d.It is difficult to think of a world without animals. From dogs and cats to bees and butterflies, the kingdom animalia has millions of members. Even human beings belong to this group. Survival of each living thing is dependent on the other and because animals form such a large group, when the kingdom animalia is considered in totality its importance seems overwhelming.
Ecological Importance
Every life form plays an important role in the ecological balance of the earth. For example, carnivores are a natural way of controlling population of herbivores in forests and grasslands. If there were no carnivores, then the population of these herbivores would grow so much they could clear considerable area of forests and grasslands in their bid to feed themselves. Similarly, scavengers keep the earth clean of all the decaying carcass that would otherwise be a feast for microorganisms.
Economic Importance
A silkworm on a leaf.
The silkworm belongs to the phylum arthropoda of the animal kingdom. Silk from silkworm (and also artificial fibers in some cases) support the silk industry which has an annual commercial value of $200-$500 million. The dairy industry, wool industry, leather and tanning industry and the fishing industry are some sectors that not only provide employment to millions but also fulfill a number of needs of human beings.
Nutritional Importance
Dairy cows grazing in a field.
Meat is an important source of proteins, which are the building blocks of our body. Milk from cow is an important source of proteins, carbohydrates, fats, vitamins and minerals like calcium, potassium, potassium and magnesium. In fact the International Dairy Foods Association terms milk as "nature’s most nearly perfect food." Honey, which is produced by bees, not only taste good, but also has high nutritional value. It contains 80 percent natural sugar, 18 percent water and the rest is made of vitamins, minerals, proteins and pollen.
Pollinators and Food Crops
A bee picks up pollen from a flower.
According to a news published by the University of California, Berkeley, bees, bats and birds are important pollinators that are responsible for the pollination of around 35 percent of crops that feed the entire human population. Without these pollinators, the human race would run into an acute food shortage.
Other Uses
A guide dog waits patiently.
Medical research is one field in which animals play important role. Dogs, monkeys and mice have been used as animal models in the discovery of insulin, polio vaccine and rabies vaccine respectively. Cosmetics are also tested on certain animals before they are released in the market. Such use of animals in research may seem cruel. Nevertheless, animals have played an important role in the development of drugs and lines of treatment for human beings, and steps are being taken to curb intentional cruelty towards animals. Certain animals also act as companions for human beings with disabilities. Dogs top that list as service animals for the blind, old and individuals with other physical challenges.
e.1. Living things can move, but non-living things cannot.
2. Energy is required by living things, while non-livings do not require energy.
3. Living things are capable of growth, reproduction and death.
4. Non-living things are non-motile, but living things can move around.
5. Living things respire; non-living things do not respire.
6. Living things adapt to the surroundings and respond to stimulus.
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Answer:
a) plants
1.Plants contain chlorophyll and can make their own food by photosynthesis.
2. Plants give off oxygen and take in carbon dioxide given off by animals.
3. Plants cells have cell walls and other structures differ from those of animals.
animals
- Animals cannot make their own food and are dependent on plants and other animals for food
- animals give co2 which plants need to make food and take in oxygen which they need to breathe.
- animal cells do not have cell wall and have different structure from plant cell.
b) similarities_
- Plants and animals are living things.
- Plants and Animals Have Cells
- Plants and Animals Have DNA
- Plants and Animals Need Energy
- They feed, respire, excrete, grow, move, reproduce and are sensitive to their environment.
ans (c) animals cannot get energy directly from the sun, they must eat plants (or other animals that have had a vegetarian meal) to survive. Plants also provide the oxygen humans and animals breathe, because plants use carbon dioxide for photosynthesis and release oxygen into the atmosphere.
ans(d) The plant kingdom has many uses for us. Through the process of photosynthesis, plants convert the solar energy into food (carbohydrates). They are primary producers, and we are dependent on them for our food. We, along with animals, either directly consume plants (fruits and vegetables, etc.) or indirectly by consuming animals. Thus, plants are the source of food for us.
Plants also consume carbon dioxide and generate oxygen. They are the primary supplier of oxygen in the atmosphere and also help in keeping the carbon dioxide concentration in check. We all need oxygen for our survival and thus, plants are essential for our existence.
Plants also minimize the soil erosion and protect the soil. Plants also provide us with wood which has a number of uses for mankind. Many plants also have medicinal properties and their parts are used in the pharmaceutical industry.
ans (e)
- Living things can move, but non-living things cannot.
- Energy is required by living things, while non-livings do not require energy.
- Living things are capable of growth, reproduction and death.
- Non-living things are non-motile, but living things can move around.
- Living things respire; non-living things do not respire.
- Living things adapt to the surroundings and respond to stimulus.
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