Give reasons for the following a.Why our pet dog bark only at strangers?
b.Why birds collect only Soft and Strong materials to built nests c.How ants recognize Sugary Substances
d.Why most of the insects prefer dark and dump places to live
plz give me right answers
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Why does my dog bark at some people and not at others?
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Why does my dog bark at some people and not at others?
It could be something about the person that's putting your dog off. I believe it's mostly got to do with the person’s smell or behavior.
By smell, I’m referring to chemical releases that human beings can't detect (or at least don't know we’re detecting), but dogs definitely can. Chemical release is affected by our emotions, sexual desires, etc. This is why dogs can tell when you're sad, angry, happy, excited, anxious and almost everything else. Not because they read your facial expressions all the time, but because they smell your emotions. This is how Service Dogs ensure their humans are safe - they smell an anxiety attack coming before it hits. So it could be something about their emotions affecting your dog. While dogs are concerned for and react according to their human’s emotions, there's no guarantee that they would understand or react the same way to a stranger.
Both of these are observed behavior in my 3 year old English Shepherd Jack.
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✔✔ It makes cup-shaped nests inside tree cavities using moss, dried grass, dead leaves, wool, and animal hair.
✔✔ Feathers. Feathers. Feathers dropped by other birds make a soft warm lining for the nest.
✔✔ Twigs. Twigs. Many birds use twigs to give their nest a strong structure
✔✔ Dry grass. Dry grass. ...
✔✔ Moss. Moss.
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Ants, like other insects, use chemosense to detect sugar and other food. They have the ability to detect chemical substances in their environment. When these chemicals are present (even at low concentrations), they can be detected as smells by the olfactory receptors — small bristles on the insect's body.
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There are many different kinds of pests and only some of these create health problems in Indigenous communities. The control of these will be described in this chapter.
3.1 Living and breeding places of common pests
Listed below are the pests which are commonly found in Indigenous communities, along with information about their living and breeding places and food sources.
Flies
Rubbish, food scraps, open septic tanks, open leach drains, under eaves, dirty benches and tables, lawn clippings and animal faeces.
Cockroaches
Rubbish, food scraps, dirty benches and tables, drains, behind stoves and fridges, bathroom and kitchen cupboards, under floors of older houses, septic tanks and leach drains.
Mosquitoes
Cool, dark and damp places such as rain water in discarded refrigerators, car tyres and tins, and in septic tanks/leach drains, water storage tanks, protected corners of effluent ponds and natural bodies of water.
Fleas
Like sandy areas. They need blood to breed. They will also bite humans when there are no animals around. Many fleas are brought into houses on peoples clothes, having jumped onto them from outside their house. Fleas are also transported on bedding.
Fleas are usually found on animals like cats and dogs, so it is important that these animals are kept outside the house to reduce the likelihood of fleas infesting houses.
Mites
Live and breed on animals and people.
When people have cuts and sores on their bodies, disease-carrying flies can land on them and cause them to become infected.
Fig. 5.5: Flies spread germs which cause cuts and sores to become infected.
Fig. 5.5: Flies spread germs which cause cuts and sores to become infected.
Bush flies can carry a germ which causes a serious eye disease called trachoma. These flies are attracted to the salt in the tears (moisture) from people's eyes. As bush flies go from one person's eyes to another, they can pass on this disease from one person to the next. The common house fly is also attracted to the moisture around people's eyes. These flies can pass on germs which cause other kinds of eye infections, such as pus eyes.
Fig. 5.6: How flies spread germs which cause trachoma.
Fig. 5.6: How flies spread germs which cause trachoma.
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a) because our pet dog knows our body smell and not of the strangers . so it barks only on strangers and not at us
b) because if birds will carry hard materials it will posses a risk to the eggs they lay. And also of the offsprings . because the offsprings are very cute
c) inorder not to be caught in the hands of predator as they are very tiny .
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