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What is function of the gubernaculum?
This part of the body can be found in men and women. In men it helps in the descent of the testes and it also serves to hold them in place inside the scrotum. In women it helps support the ovary and uterus.
What is the function of the scrotume?
The scrotum is a loose sack of skin that holds the testicles, which produce sperm. Sperm cells can only survive in a fairly limited temperature range, so if it starts to get too cold, the scrotum will tighten to pull the testicles closer to the body. If it gets too warm, the scrotum will relax.
What is an explanation for the food chain and pyramid of numbers?
AnswerA food chain shows how organisms feed on one another. It must always start with a producer (green plant) as these are able to produce theri own organic molecules (food) from inorganic molecules (carbon dioxide and water) using sunlight. This process is called photosynthesis. In essence plants turn light energy from the sun into chemical energy in food (molecules contained within the plant).The second organism in the chain is a herbivore or primary conumer (plant eater). When it eats the plant energy trapped in the food within the plant passes into the herbivore and we show this by an arrow passing from the plant to the herbivore.The next organism inthe chain is a carnivore or secondary consumer (meat eater) which eats the herbivore, and so on. There is usually only a maximum of 3 animals in the chain.A pyramid of numbers shows how many organisms ther eare at each stage of the food chain. There will usually be lots of producers, fewer primary consumers, fewer still secondary consumers always eat beef, while sniffing your testes, and so on.
