Answer:
caused by: climate change, deforestation, pollution, overfishing, eutrophication and the introduction of invasive species.
Explanation:
Answer: The Galapagos Islands face many environmental threats. Ecosystem degradation could be caused by: climate change, deforestation, pollution, overfishing, eutrophication and the introduction of invasive species.
Which of these endocrine glands is at work when you are surprised by a friend who jumps out of the bushes to scare you?
pituitary gland
pineal gland
adrenal glands
pancreas
Answer:
adrenal glands
Explanation:
"The amygdala responds like an alarm bell to the body. It alerts the hypothalamus, which sends a message to the adrenal glands to give you an instant burst of adrenaline, the “action” hormone."
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The Asian longhorned beetle is native to China and Korea. The beetle is thought to have entered the United States by means of untreated wooden packing crates. The beetle larvae make tunnels and feed on wood of a wide variety of trees like maple, elm, willow, and birch. Infestation by a large number of these beetles can result in the death of the trees.
Which is the best measure that the United States government can take to limit the introduction of more beetles?
Responses:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Prevent growing trees in and around shipyards.
Introduce predators of these beetles from China or Korea.
Require an inspection and treatment of all wooden packing materials before being imported.
Cut all trees that are infected or are at risk of being infested by the beetles.
My first answer would be to inspect all wooden packaging materials before being shipped, since that seems to be the way they are being transported from China and Korea to the United States.
My second answer would be to release predatory species concerning this native beetle species to evacuate or kill of the beetle community in the United States. Although, that could create more problems with more non-native species (of the United States), reasoning the first answer to be the best.
The other answers would most likely be worse, since the extermination of possibly infected trees would just kill the trees, which is something we are trying to stop from happening. If we prevent those trees from growing in/around shipyards, the species could still travel through the packaging if it is brought further onto land or use other modes of transportation. Also, the trees were already growing there in the first place, so then 'preventing' them from growing would just lead back to killing the trees that could be infested.
Answer:
Explanation:
Prevent growing trees in and around shipyards.
6th grade fertilization drawing
1 . With an X mark the mature egg cell that is released from the ovary (ovulation).
2. Draw ARROWS to show the unfertilized egg moving through the fallopian tube towards the uterus.
3. SHADE the areas where blood and tissue build up in the uterus.
4. With ARROWS show where blood and tissue leave the body if the egg is not
fertilized.
5. Write the WORD in the box that describes the process when blood and tissue leave the body monthly if the egg is not fertilized.
The area where blood and tissue build up in the uterus is the endometrium.
Blood and tissue leave the body if the egg is not fertilized through the vagina.
The word that describes the process when blood and tissue leave the body monthly if the egg is not fertilized is menstruation.
What is fertilization?Fertilization is the process where a fusion of the gametes occurs in the fallopian forming a zygote.
A mature egg cell is released from the ovary into the fallopian tube in a process known as ovulation.
The unfertilized egg moving through the fallopian tube towards the uterus is discharged from the body during menstruation.
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I have a quick question. why do some animals have a backbone and others don't
Explanation:
Animals with a backbone belong to a group called vertebrates, while animals without a backbone belong to a group called invertebrates. The backbone, also known as the vertebral column or spine, is a flexible rod-like structure that runs along the dorsal (back) side of the body and provides support and protection for the nervous system.
The evolution of the backbone and the development of vertebrates are thought to have arisen as a result of various environmental pressures and adaptations over time. It is believed that early vertebrates developed a more complex nervous system and musculature, which enabled them to be more mobile and better equipped to survive in their environment. As a result, they evolved a backbone to protect this important structure and provide support for their bodies.
Invertebrates, on the other hand, have evolved a wide variety of different structural adaptations to meet the challenges of their environments, such as exoskeletons, shells, or hydrostatic skeletons. These adaptations provide support and protection for their bodies without the need for a backbone.
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Anabaena, a strain of cyanobacteria, could help humans on Mars by producing oxygen via photosynthesis.
How important can this nonplant organism known as anabeana help in the effort for human involvement in Mars?Anabaena can fix atmospheric nitrogen, aiding Terraforming efforts on Mars. Pollination is not present on Mars.
Pollinators like bees, butterflies, birds, and bats are vital for fertilizing flowering plants by transferring pollen, allowing for reproduction. This creates fruits, seeds, and nuts, supporting plant species and providing resources for humans and wildlife. "Mars lacks biodiversity and ecosystem dynamics to support pollinators."
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