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Why do dragonfly nymphs have to crawl out of their skin?
Because they spend all their developing phase underwater. In their larval stage, they absorb oxygen through gills - In their short adult life, they spend their time flying above the water, and thus breathe air. When they crawl out of their skin, they have completed the change from larva to adult - much like a caterpillar changes into a butterfly. The only difference is - they don't go through a pupae stage.
What is the common name for Plutella xylostella?
'Diamondback moth' is a common name for Plutella xylostella. The insect is a much dreaded pest that in its larval stage ravages such related food crops as broccoli, cabbage, cauliflower, mustard, radish, and turnip. The moth stage tends to leave a lot of eggs on the host plant, and the larval stages tend to eat as much of the food source as possible, from the undersides of the leaves.
Why does a tadpole develop into a frog?
Essentially, the larval stage in a species' development cycle renders a specimen as a different type of lifeform than the adult stage does. Tadpoles resemble small fish such as minnows much more than adult frogs so they are labelled as larvae. Mammals look pretty much the same throughout life, so they are not said to have a larval stage. Larvae feed rapidly to fuel the metamorphosis into adulthood. See the related Wikipedia link for a much more detailed explanation.
How long do butterfiles live?
Most of the butterflies life is spent in its larval stage of a caterpillar. When the adult butterfly emerges from the chrysalis, its only purpose is to mate, and lay eggs. Depending on the species, butterflies live for as little as a week or as much as a year.
Does a praying mantis go through complete or incomplete metamorphosis?
Because it has a nymph stage (small version of an adult) instead of a pupae or cocooning stage in the complete. Also, the complete has a larval stage from which it changes from. Incomplete is egg->nymph->adult, while complete is egg->larva-> pupae->adult. The complete varies much from it's starting larval stage while incomplete is mostly unchanged in appearance.
Does the DNA of say 2 mosquitoes differ?
All DNA is different so yes the DNA of 2 mosquitoes does differ but not much
How much money is spent to eliminate Asian tiger mosquitoes?
I do not know about the asian tiger mosquitoes, but I know how much money is spent to eliminate asians, tigers, and mosquitoes. It's approximately 100$ per square foot of microrganism. Go team! \o/
How much strength do mosquitoes have?
Enough to have s*x and survive
how much money do i spend?
How much money DO you spend?
What is the mode of feeding in caterpillars?
Chewing of plant matter is the commonest method, but some insects such as the much loved Lady Beetles, get by by sucking the juices from a plant. The larval stage of others, attach themselves to the root of a plant, only to emerge when they are ready to emerge from the chrysalis - such as Cicadias.
How much money do you spend on things?
As much as i can afford to spend
Do mosquitoes drink period blood?
There is not that much blood in period blood, despite appearances. It's not likely to be as useful to mosquitoes as blood from a skin puncture.
