Answer:
First claim '' cats are very smart animal''.
Second claim '' cats make bonds with humans''.
Explanation:
There are two claims that are scientifically proven about cats i. e. cats are very smart animal because they have highest number of neuron about 300 millions present in their brain which gives them the ability of intelligence and problem solving. They make emotional bonds with their owners just like dogs and can be trained by their owners so that's why many people make cat as a pet animal in their houses..
Answer:
True I believe
Explanation:
People started domestication in the beginning of the Neolithic era.
the death of cells which occurs as a normal and controlled part of an organism's growth or development.
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Answer:
Grasshopper has open circulatory system.
Explanation:
Grasshopper has open circulatory system and they have a fluid cavities called haemolymph. Grasshopper have open circulatory system because the blood is not usually in the blood vessels. The hearts like structure pump the blood into the aorta and the blood flow from aorta in the body fluid, called haemolymph. The heart like structure is located in the upper part of the abdomen and pump fluid to the head and passes through organs and tissues.