Answer:
Explanation:
Over time, steep hills are weathered. Weathering and erosion break down and remove rocks and soil such that the mountains tops become more rounded and the rocks and soil deposit on the hillsides, making them less steep.
After another 9 million year of erosion and deposition, an observer could expect the mountains to be less steep and more rounded.
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which term would be directly related to the science of ecology?
A. genetics
B. population density
C. circulatory system
D. taxonomy
Population Density is directly related to the science of ecology. So, the correct option is (D).
What is Population Density?Population density is defined as the average number of individuals per unit population of area or volume. For example, a population density of 100 red ants living in an area of 100 square meters is 1 ant per square meter.
Ecology attempts to understand the relationship between living organisms such as plants, animals, microorganisms and their environment . Population density refers to the number of individual organisms in a unit area of space.
Population density = Total Population / Area of residence
Thus, Population Density is directly related to the science of ecology. So, the correct option is (D).
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Sudan III dye has a high affinity for ____.
A. Starches
B. DNA
C. Fats
D. Carbohydrates
Answer:
FATS -- THIS IS CORRECT ANSWER IN GRAD POINT
Explanation:
The dye namely Sudan III generally shows a high affinity for fats. The correct option is C.
What is Sudan III dye?Sudan III is a dye which is used in Sudan labeling. Oil Red O, Sudan IV, and Sudan Black B are same dyes.
They are used to stain triglycerides in frozen sections as well as certain protein-bound lipids and lipoproteins in paraffin sections.
The dye namely Sudan III generally shows a high affinity for fats.
Thus, the correct option is C.
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Why is a symptomless STI just as dangerous as an STI that exhibits symptoms? Explain your answer.
What bodies of water erode and move enormous amounts of soil and rock
What is the difference between magma and lava?
a scientist wants to display the number of chirps that were recorded in a one hour period for three different species of song bird what type of visual display should the scientist use
Answer:
bar graph
Explanation:
apex
Sickle cell anemia is known to run in a family. A pedigree chart for this family is shown below
What percentage of the offspring are carriers of the disease but do not have it ?
A single flowering plant produces pollen with a mutation that causes the pollen tubes to grow to only half their normal length. What will be the most likely long-term effect of this mutation on the local population of this type of plant? (2 points) The pollen tubes will reach the eggs sooner, which will result in seeds from this pollen being produced faster, making the mutation more likely to get passed on. Since the pollen tubes cannot grow long enough to reach the eggs, the mutation will not be passed on and will not affect the plant population. Plants produced from eggs fertilized by this pollen will only grow half as tall as the others, resulting in a population with short and tall plants. Within a few generations the mutation will have spread through the population, making all the pollen tubes shorter.
According to cell theory _____. all cells reproduce to create new cells all cells are similar in chemical composition and energy conversion all living organisms are composed of cells all of the above
All living organisms are composed of cells.
Answer:
The answer is C. "All living organisms are composed of cells."
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Explanation:
why are diatoms important to the ecosystem beyond being food?
Final answer:
Diatoms play a crucial role in aquatic ecosystems by contributing significantly to global oxygen and carbon production, trapping carbon dioxide at the sea floor, and having economic interactions with humans through the use of diatomaceous earth in various industrial applications. They also influence aquatic biodiversity through their competitive interactions with other phytoplankton.
Explanation:
Diatoms are significantly important to ecosystems beyond being a source of food due to their roles in global ecology, economic interactions with humans, and their competition with other phytoplankton. Despite their minuscule size, diatoms are responsible for over 40% of the ocean's production of oxygen and reduced carbon, playing a crucial part in essential biogeochemical cycles including those for oxygen, carbon, and silica. Their unique silicon-based cell walls, requiring considerably less energy to construct than carbohydrate-based walls, give them competitive advantages in aquatic environments. Furthermore, diatoms contribute to the carbon cycle by sinking to the sea floor when they die in large numbers, trapping carbon dioxide that they had consumed during photosynthesis and thus reducing the amount returned to the atmosphere. Besides their ecological importance, diatoms have various economic interactions with humans. Their cell walls, preserved as diatomaceous earth, have numerous industrial applications such as in filters, abrasives, and even in toothpaste. Lastly, diatoms can outcompete other algae for resources in aquatic environments, especially in conditions where silicon is abundant, thereby influencing the biodiversity and stability of aquatic ecosystems.
Under what climatic conditions does wind transport and erosion primarily take place?
Sarah no longer responds to fear or excitement. What part of the endocrine system is most likely being affected?
A - Adrenal gland
B - Parathyroid gland
C - Pituitary gland
D - Thyroid gland
Answer:
A
Explanation:
Fungi are both beneficial and destructive. This fungus is living in and on the tree seen here. This is a ____________ relationship and could cause the tree to ______________. A) helpful; grow B) parasitic; die C) helpful; make fruit D) symbiotic; reproduce
Answer:
The correct answer will be option-D.
Explanation:
Fungi forms symbiotic or mutual relationship with higher plants known as mycorrhizae.
These mycorrhizae could be present on the tree parts like stem which form the ectomycorrhizae and some live inside the plant parts like in the roots and known as endo-mycorrhizae.
The fungi provide useful nutrient like they absorb phosphorus from the soil and provide it to the plants and in return plant give shelter to these fungi.
Thus, option-D is the correct answer.
Answer:
it is B parastic ; die
What is a business cycle?
A business cycle is a recurring pattern of expansion and contraction in economic activity over time.
- Phases: The business cycle consists of several distinct phases, including expansion, peak, contraction, and trough.
- Expansion: During the expansion phase, economic activity, such as production, employment, and spending, increases, leading to growth in the economy.
- Peak: The peak marks the highest point of the business cycle, where economic activity reaches its maximum level before starting to decline.
- Contraction: Following the peak, the economy enters a contraction phase characterized by a decline in economic activity, such as falling production, rising unemployment, and reduced spending.
- Trough: The trough represents the lowest point of the business cycle, where economic activity reaches its lowest level before starting to recover.
- Factors: Various factors influence the business cycle, including changes in consumer and business confidence, government policies, technological advancements, and external shocks such as natural disasters or geopolitical events.
- Policy Response: Governments and central banks often implement fiscal and monetary policies to mitigate the effects of economic downturns and promote recovery during economic contractions, aiming to stabilize the business cycle and achieve sustainable economic growth.
what would happen if prey were removed from the food web?
What would happen to the population of animal if it’s predator was added to the food web
A) it would increase
B) it would decrease
C) it would stay the same
D) it would fluctuate
What happens to allow your brain cells to take a different shape and function compared to your arm cell?
Gene expression allows one cell such as brain cell to take a different shape and function compared to the other cell such as arm cell.
What is Gene expression?
Gene expression is the process which involves the transfer of information from a gene that is used in the synthesis of a functional gene product enables the production of end products, such as protein or non-coding RNA, which ultimately affect the phenotype of an individual, as the final effect.
Gene expression depends upon several factors such as, genetic makeup, exposure to harmful substances, environmental influences, and age of the organism, all can affect gene expressivity and hence the phenotype of the organism.
In gene expression, genes which are inactive are silent or unavailable for the protein development in cells. Because of this reason, the cells which carry the same instructions becomes a brain cell and another a skin cell.
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What is the relationship between the kinetic energy of molecules in a solid and a liquid? Justify your response in two or more complete sentences.
Answer:
Gases have more kinetic energy than liquids. Liquids have more kinetic energy than solids. When a substance increases in temperature, heat is being added, and its particles are gaining kinetic energy. Because of their close proximity to one another, liquid and solid particles experience intermolecular forces.
Which of these is an interaction in which the host is harmed? Competition Mutualism Predation Parasitism
Parasitism Is the answer I see it in my old notes lol
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A dam being constructed across a river will cut off a large part of the river for native animals. What are the likely outcomes for the populations of the aquatic species and the ecosystem's carrying capacity for the aquatic species?
A.The aquatic species’ populations will increase, and the ecosystem’s carrying capacity will decrease.
B.The aquatic species’ populations will decrease, and the ecosystem’s carrying capacity will increase.
C.The aquatic species’ populations and the ecosystem’s carrying capacity will increase.
D.The aquatic species’ populations and the ecosystem’s carrying capacity will decrease
Answer: B.The aquatic species’ populations will decrease, and the ecosystem’s carrying capacity will increase.
Explanation:
Limiting factor can be define as the factor which is capable of reducing the population of a species. Carrying capacity can be define as the maximum number of the population of a species that a region or ecosystem can support in terms of availability of resources. The construction of a dam is likely to disturb the native habitat of the living species in the river. As it is going to cut the part of river. The construction of a dam is a limiting factor for aquatic animals species. Due to the decrease in the population of native animals the carrying capacity of a region will increase .
Final answer:
Dam construction impacts aquatic species populations and the ecosystem's carrying capacity by decreasing both due to altered river conditions and habitat loss.
Explanation:
The likely outcomes for the populations of aquatic species and the ecosystem's carrying capacity due to dam construction:
The aquatic species' populations will decrease due to altered river conditions, reduced flow, and habitat loss.
The ecosystem's carrying capacity for the aquatic species will decrease as the habitat is cut off, affecting the overall biodiversity and ecosystem health.
Therefore, option B The aquatic species’ populations will decrease, and the ecosystem’s carrying capacity will increase is the most likely outcome for the populations of aquatic species and the ecosystem's carrying capacity.
Which of the following does not contribute to soil consistence? a. texture b. temperature c. organic matter d. mineral types Please select the best answer from the choices provided A B C D
horseshoe crabs are one of the only five living species of arthropods class
A) merostomata
B)chelicerata
C)Arachinda
D) none of the above
Answer:
A. merostomata
Horseshoe crabs are merostomata class
Explanation:
Merostomata is one of the five class of the phylum arthropoda. Horseshoe crabs are not crustaceans. They are the only living representative of a group that flourished successful over 300 million years ago on the earth. They have lived in the coasts of North America and Southeast Asia.
Taxonomy:
PHYLUM: arthropoda
SUBPHYLUM: chelicerata
CLASS: merostomata
ORDERS: xiphosura
FAMILIES: limulidae
would a 3 nucleotide insertion result in a frameshift?
Which wave has a disturbance that is parallel to the wave motion?
A) Longitudinal
B) Transverse
C) Surface
D) No wave has a disturbance that is parallel
Longitudinal waves
Explanation;Waves are a transmission of a disturbance from one point to another. Waves may be classified as longitudinal or transverse based on the vibration of particles relative to the wave motion.Longitudinal waves are waves in which the vibration of particles is parallel to the direction of wave motion. While transverse waves are waves in which the vibration of particles is perpendicular to wave motion.Longitudinal waves form regions called compressions where particles are close together and rarefactions where particles are more separated from each other. In a transverse wave regions of maximum displacement known as crests and troughs are formed.which of the following is an example of a human-caused disturbances to an ecosystem?
A Tsunami destroys a coastal forest and causes flooding.
B- a river is diverted to irrigate farmlands during a drought
C- after a volcanic eruption global average temperatures lower
D- does snow cover of a region grows and shrinks throughout the year
Answer:
Option (B)
Explanation:
A river that is diverted to the irrigating farmland during a drought is an example of the human-caused disturbances to an ecosystem.
An ecosystem refers to a particular community within which the organisms exist and interact with each other. For example, fresh water ecosystem, desert ecosystem and forest ecosystem.
In the given situation, the river channel is disturbed by changing its flow direction. This is caused by the human activity, that changes the course of the river channel to the farmlands during a flood, so that the water can provide nutrient to the soil and prevent the soil from getting eroded.
Thus, by doing this, the river ecosystem gets affected, as a result of which the organisms existing in this ecosystem such as fishes are affected.
Hence, the correct answer is option (B).
an amazing attribute of DNA is its ability to replicate. define replication and describe why this ability is so vitally important
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It’s of the following is MOST LIKELY impact of clearing natural landscape to construct high-rise buildings?
A. Decrease in pollution
B. Scarcity of drinking water
C. Increase in animal
population
D. Abundance of non-native plants
Answer:
the answer is b. scarcity of drinking water
Explanation:
⦁ A DNA molecule has the bases: A C G T T A. What set of bases will bond in a complementary way during replication?
A strand of DNA having base sequence as ACG TTA. The complementary strand of DNA will be produced with base sequence as TGC AAT. In the double strand DNA nitrogenous bases paired in a specific manner, A (Adenine)always pairs with T (Thymine) with double hydrogen bond or vice-versa and C (Cytosine) pairs with G (guanine) with triple hydrogen bond or vice-versa.
Which type of force holds galaxies together? A. electrostatic forces B. gravity C. magnetic forces D. friction
the will be gravity for this question