Wrong. It's human activity
The answer is C. human activity
Kevin has a very detailed model of the solar system where each planet is made out of granite rock. Since his little sister really liked the model, he spent two weeks in his dad's workshop building her a Styrofoam copy. When he picked up the models to take them back inside the house, which physical property would he immediately notice upon picking them up?
in ecology, PPDF stands for
Write at least one sentence for each. What is a winter storm Advisory?
What is the key characteristic of sponges and how are they involved in the sponges filter feeding process?
Specialized cells that filter out food particles, such as bacteria; characteristic of sponges. Animal that obtains organic matter for nutrition by filtering particles out of water. Opening through which water flows out of a sponge; excurrent pore.
Final answer:
Sponges are characterized by their unique filter feeding process, where water is pumped through their porous bodies, allowing collar cells (choanocytes) to trap and ingest food particles through phagocytosis.
Explanation:
Sponges, belonging to the phylum Porifera, are aquatic invertebrates known for their unique filter feeding system. Unlike other animals, they lack mouths and instead draw water through numerous pores on their surface. The water carries microscopic food particles into their bodies, which are then filtered out by specialized cells called choanocytes, or collar cells. These cells capture food through a process known as phagocytosis.
The feeding mechanism involves water entering through the pores (ostia) and passing through a large central cavity, the spongocoel, before being expelled out of the larger opening called the osculum. The water flow is unidirectional, driven by the beating of flagella on the choanocytes, within interconnected chambers lined by these cells. As the water passes, food particles are trapped by the collar of the choanocytes and ingested for nutrients, while oxygen is concurrently diffused into the cells, and wastes are expelled.
Overall, the key characteristic of sponges is their ability to filter feed by pumping water through their bodies, trapping food particles with their choanocytes, and utilizing intracellular digestion to sustain themselves.
what is the difference between an element and a compound?
Who do the animals in an ecosystem mainly acquire the sun' s energy
Which of the following terms describes the primary core of a comet?
What is a kangaroo rat?
Primary Producer
Secondary Producer
Primary Consumer
Secondary Consumer
A kangaroo rat is a Primary Consumer. It is a small rodent that lives in arid regions, named for its resemblance to kangaroos in its hopping movement. It primarily feeds on plant material, making it a primary consumer in the food chain.
Explanation:Kangaroo rats are small rodents that live in arid regions of the United States and Mexico. They are named 'kangaroo rats' because of their large hind feet and long tails, which enable them to hop like kangaroos.
As for their position in the food chain, kangaroo rats, like all herbivores, are primary consumers. This means that they predominantly feed on seeds, leaves, stems, and other plant material. This plant material is produced by primary producers (plants), and the kangaroo rats, in turn, provide a food source for secondary consumers (predators).
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What country has more coal reserves than any other country in the world
Explain the important role pioneer species play in succession
Pioneer species are the first plants and animals to colonize an area that has been disturbed or newly formed, and these species are adapted to harsh environmental conditions such as high winds, harsh temperatures, a lack of nutrients, etc.
What is the pioneer species?The important role of pioneer species in succession is that they prepare the way for other species to establish themselves in the ecosystem and help to break down rocks and other materials, making the soil more fertile and hospitable for other plants to grow. They also help to trap sediment and organic matter, creating a layer of soil that can support other types of vegetation.
Hence, pioneer species are the first plants and animals to colonize an area and are adapted to harsh environmental conditions such as high winds, harsh temperatures, a lack of nutrients, etc.
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Why is something that is a danger to coral also a danger to other species?
Question 3 options:
a. Coral provide a habitat for many marine animals and plants.
b. Coral are actually composed of more than one species of marine life.
c. Other species eat coral.
d. Coral eat other species.
Answer:
A. Coral provide a habitat for many marine animals and plants.
Explanation:
if you have ever seen anything of a coral reef you will see plenty of fish in the coral hiding from predators, etc.
Which statement accurately describe the role of decomposers in the carbon cycle?
Answer:
A,C,D
Explanation:
Why would a long taproot be beneficial for large woody dicot such as a tree?
A long taproot benefits large woody dicots, like trees, by accessing deep water, storing food, anchoring the tree firmly, and efficiently using soil nutrients.
Benefits of a Long Taproot for Large Woody Dicots
A long taproot is highly advantageous for large woody dicots, such as trees, due to several reasons:
Deep Water Access: A taproot can penetrate deep into the soil, reaching water sources that are inaccessible to other plants, which is crucial for survival during droughts.Food Storage: The large central root can store significant amounts of food and water, providing energy reserves during unfavorable conditions.Anchorage: The strong primary root anchors the tree firmly into the ground, helping it resist strong winds and preventing uprooting by herbivores.Soil Quality Utilization: Secondary roots branching from the taproot can exploit high-quality soil areas, maximizing nutrient and moisture uptake.This root system ensures the tree's robustness and longevity in varied environmental conditions.
Why does warm water go on top of cold water
which is an example of circadian rhythm in plants?
The transfer of energy that occurs when molecules bump into one another is called ____.
The human activities in two locations are described below:
Location A: Rampant use of plastic containers
Location B: Excessive use of pesticides and fertilizers
Which statement is most likely true?
A.) Location A will have poor air quality because plastic is biodegradable.
B.) Location A will experience water scarcity because plastic absorbs moisture.
C.) The population of birds will increase in Location B because production of crops will increase.
D.) The population of aquatic plants in Location B will decrease because water is contaminated.
Answer:
(D) The population of aquatic plants in Location B will decrease because water is contaminated.
Explanation:
When people use pesticides it harms the environment cause it goes into the ground and like run-off water it goes back into the ocean contaminating the water causing the animals and plants to get harmed and die off quicker. Why you may ask, Cause Pesticides use straight up chemicals which hurts us and animals. When people use fertilizers they abuse the soil causing it to become a desertification area after it is desertification-ed people and animals must move in order to survive.
What is the wave speed of a wave that has a frequency of 100 hz and a wave length of 0.30m?
Which of the following statements is true about the structure of the cell membrane?
How does primary and secondary succession change ecosystems? Can you provide an example?
why is it important for DNA to be duplicated before mitosis?
DNA replication is vital before mitosis to ensure that each resulting daughter cell gets an identical copy of the DNA. Cell cycle checkpoints ensure that DNA duplication occurs without errors or mutations. This is especially important in sexual reproduction and during meiosis.
Explanation:DNA duplication, or DNA replication, is crucial before mitosis, which is a type of cell division. This process ensures that each resulting daughter cell receives an identical copy of the DNA so they can function correctly. The DNA replication happens during the synthesis phase or S phase of the cell cycle, prior to mitosis or meiosis.
To ensure that the DNA duplication happens without any errors leading to mutations, the cell has internal control mechanisms called checkpoints. These checkpoints confirm that conditions are favorable for progression to the next stage in the cell cycle and prevent compromised cells from further divisions.
The goal is to produce daughter cells that are exact duplicates of the parent cell. Hence, the DNA replication plays a critical part in sexual reproduction by providing every new cell a correct copy of DNA during cell division. This importance is highlighted during meiosis, where DNA replication precedes the two rounds of nuclear division, resulting in four daughter cells, each with half the number of chromosomes as the parent cell.
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What trait in pea plants is being studied in the cross shown above?
Suppose you are an astronomer, and a child asks you to explain the light given off by stars. In your own words, describe the relationship between the energy, frequency, and wavelength. Be sure to include information about the electromagnetic spectrum in your discussion. (5 points) >
How do the functions of the skeletal system relate to muscular system functions
Answer:bones provide structure and support the body while muscles move the bones
Explanation: the skeleton is the main part of the body holding everything up without it we would be jelly pretty much. And then our muscles and ligaments are connected to our bones. Example: lifting your forearm up to touch your shoulder takes our muscles to lift our bones but our bones keeps our arm to have structure and not flop around
A natural or artificial body that revolves around a celestial body of greater mass is called a(n) _______.
A natural or artificial body that revolves around a celestial body of greater mass is called a satellite.
What is a satellite?A satellite or artificial satellite is an object intentionally placed into orbit in outer space. Except for passive satellites, most satellites have an electricity generation system for equipment on board, such as solar panels or radioisotope thermoelectric generators.
Moreover, there are hundreds of satellites in operation. They are used for diverse purposes such as weather forecasting, television signal, amateur radio and internet communications and the Global Positioning System.
Therefore, they are also used to look outward at the solar system for research and data gathering purposes.
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hermit crabs live in shells made and then abandoned by snails
which of the following is responsible for transporting oxygen throughout the body
When parking downhill on a road with a curb, you should turn your front wheels __________ .
A. parallel to the curb
B. towards the curb
C. towards the street
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The Hindenburg could fly because the hydrogen that filled it was “lighter than air.” Yet, hydrogen is incredibly flammable. Describe your own design for the ideal air transport machine.
Instead of hydrogen, my ideal air transportation system would lift the airplane using a non-flammable gas, such as helium. In addition to being lighter than air, helium does not have the same flammability hazards as hydrogen.
What is an ideal air transportation machine?Depending on the particular needs and preferences of people or organizations, the concept of an ideal air transportation may change. However, there are several broad properties that can be considered ideal in an ideal air transport system, such as:
Safety is the first priority in all forms of transportation, and the ideal aircraft should have strong safety measures and procedures in place to reduce the likelihood of accidents or disasters.
Efficiency: An ideal aircraft should be economical with its use of fuel, maintenance and operation. It should also be able to carry cargo or passengers safely and quickly.
Comfort: To offer a pleasant experience for passengers, the ideal air transportation vehicle should include comfortable seating, plenty of legroom, and climate control systems.
Therefore, instead of hydrogen, my ideal air transportation system would lift the airplane using a non-flammable gas, such as helium. In addition to being lighter than air, helium does not have the same flammability hazards as hydrogen.
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The Cat Has Fleas . The Cat Is A ___ .
1. parasite
2. mimic
3. host
4. predator