The sun gives energy to producers or plants. Then, the herbivores that eat the plants. After that the first level consumers eat the herbivores. Then the second level consumers eat the first level consumers, then so on. This might seem like there is a lot of energy from level to level. But, only 10% of each level goes to the next level. The other 90% is used for energy.
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Doctor Larry Young describes how neuropeptides can activate circuits that can change emotions and behaviors. ... A neuropeptides is a chain of amino acids that is released either into the blood where it activates receptors in our body, or directly into the brain where it can activate receptors in our brain.
Answer: Option A,C and D.
Explanation:
Platelets are tiny blood cells that form clots in the body when there is bleeding due to damaged blood vessels.
Haemoglobin are protein that is found in the red blood cells which help to carry oxygen in the blood to the body parts.
Red blood cells are called erthrocytes and are produced from the bone marrow. When they are matured, they are deposited into the blood stream. They help to carry oxygen in the blood.
False.Gram is one-thousandth of kilogram.
1 gram = 1 × 10^-3 kilograms
The correct answer is option D
The specific internal response to harmful bacteria includes Helper T-cells, T-cells, B-cells. This kind of immunity is also known as adaptive immunity.
When ever any harmful bacteria invades the body, the immune cells recognize the harmful bacteria as antigen and starts building antibody against it. The macrophages shows the T-cells and B-cells, the parts of the pathogen against which the antibody has to be made.
Hence, the antigen triggers the production of antibodies specific to antigen.