The answer is A- sperm and egg. gametes are reproductive cells in mammals, so sperm and egg would be the correct.
Polygenic traits are those traits that are controlled by more than one gene. Such traits may even be controlled by genes located on entirely different chromosomes. Human height, eye and hair color are examples of polygenic traits. Skin color is another polygenic trait for humans and a variety of other animals
1. Answer:
Both these leaves are quite similar because of their physical appearance. <em>The sea teak leaf and weeping willow leaf are narrow and elongated. However, a weeping willow leaf has tapered edges.
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The scientific names of sea teak and weeping willow plants are Podocarpus polystachyus and Salix babylonica.
- The leaves of both these plants are simple regardless of their receptive compound appearance. This is due to the presence of complex vein structure on the leaf.
2. Answer:
<u>There many differences between sea teak leaf and weeping willow leaf.</u>
Sea teak leaf is 3-10 cm long while weeping willow leaf is only 6 cm long.
Sea teak leaves are bright green and shiny while weeping willow leaves are green at top and white at the bottom.
<em>The bark of weeping willow can be used to obtain various medicines. Meanwhile, the leaves of sea teak plants are chewed to ease pain of joints.
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<u>Weeping willow trees are found in areas of China, South-West Asia and Europe.
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<u>Sea Teak trees are found in Indonesia, Malaysia etc.</u>
Eco- friendly means earth friendly or not harmful to environment
Answer:
A - Hypothalamus and Antidiuretic Hormones
Explanation:
Whenever their is a sudden change in the fluid level in the bodyb, either the blood, sugar, etc., the osmoreceptors, a special group of cells within the hypothalamus part of the brain, will detect this.
Thereafter, a signal is sent to the posterior pituitary gland to release the antidiuretic hormones (ADH), whose job is to maintain the fluid level by causing an increase in water reabsorption into the body through the expansion of the epithelial cells of the kidney.
