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Target species refer to the specific species that researchers, conservationists, or fishery managers focus on for study, conservation efforts, or commercial exploitation. In ecology and conservation, these species are often chosen due to their ecological importance, vulnerability, or economic value. In fisheries, target species are those that are intentionally caught or harvested, while bycatch refers to non-target species that are unintentionally captured. Identifying target species helps prioritize conservation efforts and manage resources effectively.
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What is genetically modified food and how is this process achieved?
Genetically modified foods are those that have been genetically engineered to insert a gene from one species (often a bacteria) into another species (corn, soy, etc). This is accomplished by cutting a target gene that will produce a desired trait from one species and artificially inserting it into the target plant.
Is the parasitic wasp real?
Yes. Parasitic or parasitoid wasps are not uncommon. What they parasitize depends on the species of wasp, but they commonly target insect larvae and spiders. They do not target humans
How should you start your satire essay on species extinction?
The best way to start a satire essay is with humor. Research information about your subject matter and target the funny aspects of species extinction.
What kind of spider has at target pattern on its back?
The spider with a target-like pattern on its back is commonly known as the arrowhead orb weaver spider (Verrucosa arenata). This species is known for its unique and distinct marking, resembling a target or bullseye.
Which commerial fishing technique has a low rate of bycatch?
One commercial fishing technique that has a low rate of bycatch is pole-and-line fishing. This method involves using a single fishing line with a hook, which allows fishermen to target specific species while minimizing the capture of non-target species. Additionally, it is often employed for species like tuna and is considered more sustainable compared to methods like trawling or gillnetting, which tend to catch a wider variety of marine life unintentionally.
What is meant by the term by catch?
Bycatch refers to the unintended capture of non-target species during fishing operations. This can include fish, marine mammals, birds, and other wildlife that are caught alongside the intended catch. Bycatch can lead to significant ecological impacts, as many of these non-target species may be injured or killed, disrupting marine ecosystems and contributing to declines in certain populations. Efforts to reduce bycatch include using selective fishing gear and implementing regulations to protect vulnerable species.
What type of fish do fisherman usually fish for?
Fishermen typically target a variety of fish species depending on their location and the season. Common targets include freshwater species like bass, trout, and catfish, as well as saltwater species such as salmon, tuna, and snapper. Additionally, some anglers pursue specific species for sport, such as marlin or tarpon. The choice often depends on local regulations, fishing techniques, and personal preference.
What are the advantages and disadvantages of a purse seine?
Advantages:Because of the way it is made, with a number of rings around the bottom with a line called a purse-line through them, when it is pulled the line draws the rings together. It prevents the fish from swimming down to escape the net. This type of seine is useful for fish the school close to the surface, such as sardines, mackerel, anchovies, herring and certain species of tuna and salmon.Disadvantages:Purse seines can involve the bycatch of non-target species, which can put too much pressure on fish stocks.
Body cells that react to particular hormone are called?
target cells
What is by-kill?
By-kill refers to the unintended capture or killing of non-target species during fishing or hunting activities. It often includes species that are not the primary target but become victims due to the methods or equipment used. By-kill can have significant ecological impacts, affecting biodiversity and ecosystem balance, and raises ethical concerns regarding wildlife conservation. Efforts to reduce by-kill include implementing more selective fishing gear and better management practices.
What is broad spectrum pesticide?
A broad-spectrum pesticide is a type of pesticide that is effective against a wide range of pests, including various insects, weeds, and diseases. Unlike selective pesticides, which target specific organisms, broad-spectrum pesticides can impact beneficial species as well, leading to potential ecological imbalances. They are commonly used in agriculture and pest management for their effectiveness, but their use requires careful consideration to minimize harm to non-target species and the environment.
Hormone and receptor interactions are based on?
Hormone and receptor interactions are based on specific binding between the hormone and its receptor. The receptor acts as a target for the hormone, triggering a series of cellular responses once bound. This interaction is highly specific, allowing for precise signaling within the body.
