Answer:
Anatomy
Explanation:
Human anatomy
Genetic drift and natural selection can both be mechanisms of evolution. However, they are very different mechanisms.
Explain how genetic drift is different from natural selection.
Answer:
The key distinction is that in genetic drift allele frequencies change by chance, whereas in natural selection allele frequencies change by differential reproductive success
Explanation:
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After removing a cutting from a parent plant, farmers usually:
Answer:
Plant the cutting in a different location
Explanation:
A cutting is a piece of a plant that is usually cut by farmers during agricultural practices. It is a means of vegetative (asexual) propagation.
The part of the plant which is cut is usually the stem or root of the parent plant. The cutting is then placed in a favorable environment which is mostly moist soil for proper growth .
A mother has one allele for dimples and one allele for no dimples. How many
of her gametes will carry the allele for dimples?
A. 0%
B. 25%
C. 100%
D. 50%
Answer:
50%, i believe
Explanation:
So the mother in the problem must have gotten her alleles from her mother and father. Who donated what we are not sure. All we know is that she got one allele for dimples and one allele for no dimples. These are part of the mother's somatic cell DNA. This DNA is duplicated during interphase, right before meiosis occurs as the mother begins to form her gametes, however.
what other animals benefit from eachother? this is a simbiotic relationship
Answer:
There is coral and algea.
Explanation:
what would happen if a new predator was introduced into the ecosystem that only ate mice ? Would the mouse population be lowered ?What else would happen because of this
Answer:
The mice population would be lowered, and that predator could be a prey to other predators in that environment.
Explanation:
The introduction of new predator has both positive as well as negative effects on the ecosystem and environment.
What happen when the predator in introduced in an ecosystem?If a new predator was introduced into the ecosystem that only ate mice so this results in the reduction of population of mice which leads to the disturbance of the ecosystem.
So we can conclude that introduction of new predator has both positive as well as negative effects on the ecosystem and environment.
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Why is this statement not a hypothesis?
Sunflowers require soil and plenty of sunlight and water to grow and thrive.
Answer:
It’s stating exactly what is going to happen with no guess and it’s not in an if,then format
How do the activities of squirrels affect oak trees?
A.
They cause the trees to produce acorns during the winter.
B.
They make it more difficult for the tree to reproduce.
C.
By removing acorns, their behavior causes harm to the trees
D.
They help the trees reproduce more successfully
Answer:
I want to say it is
They help the trees reproduce more successfully
Explanation:
this is because the others do not make sence
Please hurry it’s urgent.
Consider the food web seen here. One member, the northern spotted owl, lives in cavities of trees in old-growth forests. Old
growth forests contain trees that are more than 200 years old and have not been cut, pruned, or managed. Imagine that these
forests have been heavily logged, Predict the outcome on this food web if the habitat of the owl is removed
AY
The food web will collapse without this top-level consumer present
B)
The niche filled by the owl will be filled by other predators like the hawk
and fox
The niche filled by the owl will be empty. The other animals within the
food web will grow unchecked.
Without the owl present, the empty niche will result in an overpopulation
of hawks. Eventually the lower-level consumers will disappear
DY
Answer:
I'm pretty sure it is the third option: The niche filled by the owl will be empty. The other animals within the food web will grow unchecked.
Explanation:
The owl is a predator animal. As it hunts small prey, it keeps the population of those prey animals stable. If the owl is taken out of the habitat, then the population of the prey animals it used to hunt will grow out of control.
The niche filled by the owl will be empty. The other animals within the food web will grow unchecked.
What is a food web?All the food networks in a single ecosystem make it into a food web. Each organism in an ecosystem is a link in a number of food chains. Energy and nutrients can go along different food chains as they move through the environment. A food web is made up of all the linked and overlapping food systems in an ecosystem.
The trophic levels are divisions into which organisms in food webs are categorized. These levels can be roughly categorized as producers (first trophic level), consumers (second trophic level), and decomposers (final trophic level).
The first trophic level is producers. Producers often referred to as autotrophs, produce all of their own food and do not rely on any other living thing for sustenance. The majority of autotrophs convert sunlight, carbon dioxide, and water into food (a nutrient called glucose) through a process known as photosynthesis.
The most well-known form of autotroph is a plant, but there are numerous others as well. Algae are autotrophic, and their bigger forms are known as seaweed. Autotrophs include the small sea life known as phytoplankton. Autotrophic bacteria include certain varieties. For instance, microorganisms that live near active volcanoes make their own food by using sulfur rather than carbon dioxide. Chemosynthesis is the name of this process.
Therefore, The niche filled by the owl will be empty. The other animals within the food web will grow unchecked.
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What is source of the DNA for the strawberry plant?
It was absorbed from the soil
It was passed on from the parent plant
It was created by the plant using sunlight
It was borrowed from animals that feed on the plant
Answer:
passed on by parent plant
Explanation:
both parents dna are present half of fathers and half of mothers
How do you know where the Big Dipper starts
Answer:
NORTH STAR AND THE LITTLE DIPPER
Finding the Big Dipper in the night sky is the easiest way to find Polaris, the North Star, located in the constellation Ursa Minor, the Little Bear. The Big Dipper rotates around the north celestial pole, and always points the way to the North Star
Explanation:
Answer: If you live at temperate latitudes in the Northern Hemisphere, simply look northward and chances are that you'll see the Big Dipper in your nighttime sky. It looks just like its namesake. Once you've found the Big Dipper, it's only a hop, skip and jump to Polaris and the Little Dipper.
Segments of chromosomes that contained coded information are called
Ocean water is generally
Warm
Salty
Ice Cold
Fresh Water
Answer:
Deep ocean water (DOW) is the name for cold, salty water found deep below the surface of Earth's oceans. Ocean water differs in temperature and salinity. Warm surface water is generally saltier than the cooler deep or polar waters; in polar regions, the upper layers of ocean water are cold and fresh.
The diagram below shows part of the nitrogen cycle.Which stage is decomposition? *
A.2
B.3
C.4
Answer:
3
Explanation:
decomposer in the soil tie the nitrogen from dead organism into ammonium
Carbon is an organic element found in all life forms. Which of the following
occurs through the process of breaking down carbon-based molecules?
Water molecules are transferred through the body.
Elimination of waste products occurs.
Energy needed for life functions is released
Absorbing of oxygen through pore occurs.
Answer:
The third option Energy for life functions is released
Explanation:
What is a Schwarzchild radius and what does it have to do with a black hole
Answer:
The Schwarzschild radius (sometimes historically referred to as the gravitational radius) is a physical parameter that shows up in the Schwarzschild solution to Einstein's field equations, corresponding to the radius defining the event horizon of a Schwarzschild black hole
Explanation:
The Schwarzschild radius define the “size” of a black hole. Theorists believe that all the “stuff” inside a black hole collapses into a singularity, an infinitely small and infinitely dense point well inside the boundary defined by the Schwarzschild radius.
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18. The Environmental Defense Fund, The Friends of the Earth, and The Natural Defense Council, (1 point)
are all divisions of The Environmental Protection Agency.
True
False
*PLEASE HELP*
Mammals have two body systems which work together to move oxygen to all parts of the body. Which of the following body systems supply the body with oxygen?
Answer:respiratory system
Explanation:The primary function of the respiratory system is to deliver oxygen to the cells of the body's tissues and remove carbon dioxide, a cell waste product. The main structures of the human respiratory system are the nasal cavity, the trachea, and lungs
Answer:
the lunges, heart, throat, etc.
Explanation:
in which structure of the female reproductive system are egss produced? 1 cervix 2 fallopian tubes. 3 ovary 4 uterus
Answer: D.) or 4
Ovary is where egg cells/eggs are produced
Explanation:
Cervix: The lower end on the uterus
Fallopian tubes: Tube that connects uterus to the ovaries
Uterus: ...
Sorry if it's inappropriate, I'm just trying to answer the question
Hoped I helped a bit! :)
Mendel used more than 28,000 pea plants in his experiments. Why is it
important that he studied such a large sample of pea plants?
A. Having more samples gave him results that were closer to the
predicted ratios.
B. The pea plants were very inexpensive.
C. Using more plants made the experiments take less time.
D. Most pea plants die after producing seeds.
How do we create stronger evidence?
A) better observations
B) better opinions
C) better theories
D) better inference
Answer:
A
Explanation:
Opinions, theories, and inferences are all guess-based and rely on non-factual evidence whereas observations are based on de facte material which, most of the time, is better to support claims or statements.
Identify the plant tissues in the three images.
A
B
C
Answer:
A=leaves
B=stem
C=roots
Explanation:
Answer:
Not sure if this was the one you were looking for
PLEASE HELP Compounds that always contain the element carbon are called
Which of the following is an indicator of chemical change?
a change in phase of the materials
a change in the shape of the materials
a change in the volume of the materials
a change in the temperature of the materials
Answer: a change in the temperature of the materials
Explanation:
A marine ecologist has constructed the conceptual model shown in the diagram. Which prediction can be made from using this model?
Hello. This question is incomplete. You forgot to put the diagram and answer options.
The diagram is in the figure attached below and the answer options are:
Where the tertiary consumers get their energy
How often primary producers are able to reproduce
When bacteria and fungi initiate the process of decomposition
Whether other secondary consumers are present
Answer:
Where the tertiary consumers get their energy
Explanation:
The diagram establishes the visualization of a food network where it is possible to visualize all the relationships between predators and game, in addition to being possible to observe the relationships between each trophy within a food chain.
With this, it is possible to determine all the ways that tertiary consumers are able to obtain energy and observe how that energy reached them.
Answer: A
Explanation: I just took the test
Describe the advantages of a four chambered heart compared to heart with two or three chambers
1. mutations cause A. DNA screenings B. genetic finger prints C. genetic disorders D. protein synthesis
Answer:
A ) DNA screening
Explanation:
mutations changes up your DNA
Blood contains many different types of blood cells
suspended in blood
but only
blood cells carry oxygen.
Answer:
yes
Explanation:
Difference between homology and heterology?
Hello! I got the answer! So if you look at the word homo and hetero. Homo means the same and hetero means different. So homology is the study of to show the simliarity between organisms. And heterology is the study of to show difference between organisms. This is my first time answering! Anyways have a good day/night!!
which of the following is the lotic system?
A. a lake
B. a puddle
C. a stream
D. a pond
Answer:
option C
Explanation:
lotic system means a flowing body of water
Answer:its a stream c
Explanation:
Which factors are included in watershed conservation? Check all that apply.
protecting different kinds of wildlife
restoring vegetation in certain areas
preventing damage to crops from precipitation
ensuring improvement of environmental health
relocating ecosystems away from polluted areas
Answer:
Protecting different kinds of wildlife.Restoring vegetation in certain areas.Ensuring improvement of environmental health.Relocating ecosystems away from polluted areas.Explanation:
These are all the factors that are included in watershed conservation. Watershed conservation is very important to the environment for several reasons. Freshwater from the watershed is often used by people for the purposes of drinking, cleaning and bathing. Conserving this source allows us to avoid the depletion of freshwater supply. Moreover, it is important to ensure that such water is not polluted, both for the benefit of humans, as well as to ensure that plants and animals that require this water are able to access it safely.
Answer:
D
Explanation:
