Answer:
Earthworms may seem gross, but they actually play an essential role in food chains and ecosystems. Earthworms are decomposers that break down and recycle the matter from dead plants and animals, as well as waste products, returning it back into the soil. This is how a compost pile works!
Explanation:
Which of the following is a physical property that all matter has?
a. color
b. density
c. hardness
d. shape
Answer:
B. Density
Explanation:
During their early stages of development, the embryos of reptiles, birds, and mammals look very similar. The embryos of reptiles, birds, and mammals also have many of the same structures and develop in similar patterns. This suggests that reptiles, birds, and mammals... *
Answer:
share a common ancestor
Explanation:
The similarity in their embryos and embryonic development suggests that reptiles, birds, and mammals share the same ancestor.
Similarity in the structure and development of embryo is one of the evidences that is been used by scientists to support the theory of evolution of species. According to the theory of organic evolution, all organisms are on earth as a result of descent with modifications from common ancestors.
Reptiles, birds, and mammals are all vertebrates. They share some basic characteristics and are thought to have shared a common ancestor before each group took different adaptive channels leading to their differences as they currently exist.
How do wetlands form?
Tributaries flow into rivers.
Runoff travels down the side of a divide.
Water builds up in a depression left by an ice sheet.
Groundwater comes to the surface and floods the land.
Answer:
D) groundwater comes to the surface and floods the land
Explanation:
Groundwater like water from river or lake comes to a land and before it has a chance to go back into the soil or evaporate, more water comes and floods the areas, thus the previous water stays and new water stays as well. If this cycle is repeated, a wetland will form.
wetlands form The tributaries flow into rivers.
How do wetlands form?Wetlands is a flat area of abundant herbaceous and/or shrubby vegetation that remains flooded most of the time. Swamps generally appear in areas where water flow is slow. In this way, the organic mass present in the waters decomposes on the spot.
With this information, we can conclude that wetlands are formed. The tributaries flow into rivers.
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What do nitrogen-fixing bacteria do?
Answer:
Nitrogen-fixing bacteria is capable pf transforming nitrogen present in the atmosphere into fixed nitrogen i.e. usable for plants.
hope it helps!
Arrange the tiles to show the sequence of events in the development of the theory of evolution.
Scientists examined evolutionary
relationships using DNA sequencing.
Scientists collected fossils that
showed species changing over time.
Mendel proposed laws for
how traits are inherited.
Darwin collected specimens
from around the world
during the HMS Beagle voyage.
Darwin proposed the theory of
evolution by natural selection.
Answer:
Explanation:
Here is the summary;
In 1817 his father collected later, in1828 Alexandre Brongniart's son (Scientists) collected fossils that showed species changing over time.
Between 1831–36 Darwin collected specimens from around the world during the HMS Beagle voyage
In 1859 Darwin proposed the theory of evolution by natural selection
Between (1856-1863), published in 1865 Mendel proposed laws for how traits are inherited.
Scientists examined evolutionary relationships using DNA sequencing.
Explain your hypothesis and how you determined it.
Answer:
A hypothesis is a tentative, testable answer to a scientific question. Once a scientist has a scientific question she is interested in, the scientist reads up to find out what is already known on the topic. ... A hypothesis leads to one or more predictions that can be tested by experimenting
Explanation:
my friend moved to neverland and now im sad
:(
Fun fact
Bananas
The images above all illustrate the presence of a vestigial structure. What is this structure and why is it no longer used for its original function? A) Sacral vertebrae have disappeared in modern man. They are no longer needed as man stood more and more upright. B) Lumbar vertebrae. As man became bipedal, the vertebrate became shorter and wider. These particular vertebrate disappeared. C) Coccyx or tailbone is the remnant of a lost tail. The tail was used for gripping as well as an aid in balance and mobility. D) Iliac blade. This part of the pelvis was shortened and widened as a requirement for keeping the center of gravity stable while walking.
Answer:
C, the Coccyx
Explanation:
Geologists studying a local rock formation measure the amount of matter in the rock. This measurement is known as the rock's __________.
mass
density
weight
gravity
Answer:
Mass
Explanation:
Mass is defined as the amount of matter in a substance. It is usually measured by balances such as the beam balance and scales. It is measured in grams or kilograms depending on the size of the body.
The process of Rock formation involves how a rock is formed which is usually by sedimentation or cooling of magma in volcanic eruptions. In rock formation study,the geologist measures the mass of the rock which enables knowledge of the amount of matter in the rock. This is be used to determine the weight of the rock and the rock type and properties.
Answer:
The measurement is known as the rock's mass.
Explanation:
The mass of an object is the quantity of matter that the object contains. It can be determined or measured by the use of; beam balance, top pan balance etc. The value of the mass of an object does not change regardless of its location on the surface of the earth or at other planets. the mass of object is measured in Kilograms.
Rock formation is a process by which a rock is formed. Either by sedimentation or cooling of magma. In studying the rock formation, the geologist measures the mass of the rock. He/ She would be able to know the amount of matter in the rock, which could be used to determine the weight of the rock.
If two species have many amino acid differences, are they closely or distantly related? Explain how scientists know this.
Some owners throughout the community do not pick up waste produced by their dogs. Is this a point source or nonpoint source of nutrient pollution? Explain your answer.
Answer:
This is non point
Explanation:
Because usually point sources come from a pipe or you can track it down to a certain exact location but you can not track down dog poop from multiple dogs down to one exact location.
Hope this helps
Which is the correct answer?.
Answer:
d. 232 km/h
Explanation:
speed = distance/ time
speed = 290/1.25
speed = 232 km/h
Answer:
d
Explanation:
What is the purpose of a trophic pyramid?
Explanation:
An ecological pyramid (also trophic pyramid, Eltonian pyramid, energy pyramid, or sometimes food pyramid) is a graphical representation designed to show the biomass or bioproductivity at each trophic level in a given ecosystem.
Neville has low blood pressure and his pituitary started producing a homorone to maintain water balance his blood pressure eventually returned to normal what best explains what may happen next
Answer: The options are missing in the question,the options are;
A) Positive feedback will stop the release of this hormone.
B) Positive feedback will speed up the release of this hormone.
C) Negative feedback will speed up the release of this hormone.
D) Negative feedback will stop the release of this hormone.
The correct answer to the question is option D
NEGATIVE FEEDBACK WILL STOP THE RELEASE OF THIS HORMONE.
Explanation: The hormone the will be produced is known as Antidiuretic hormone (ADH).it is otherwise known as VASOPRESSIN.It is secreted by the posterior lobe of the pituitary gland.
The main effect of Antidiuretic hormone is to reduce urine output,(diuresis is the production of large amount of urine). Antidiuretic hormone acts in the distal convulated tubules and the collecting ducts of the nephrons of the kidneys,it increases their permeability to water and more of the glomerular filtrate is reabsorbed. Antidiuretic hormone secretion is determined by the osmotic pressure of the blood circulating to the osmoreceptors in the hypothalamus.
As osmotic pressure rises,for example as a result of dehydration, secretion of Antidiuretic hormone increases. With this,there is Increased reabsorption of water reducing the amount of urine produced.This implies that more water is retained in the body making the rise in the osmotic pressure of the blood to be low,for example,after a large fluid intake, secretion of Antidiuretic hormone is reduced,less water is reabsorbed and more urine is produced.
At high concentrations,for example after severe blood loss, antidiuretic hormone causes smooth muscle contraction, especially vasoconstriction in small arteries.this has a pressor effect,raising systemic blood pressure.
Answer: tldr it’s D
Explanation:
During ______________, two bacteria of the same species attach to each other and combine their genetic material.a. reproduction c. pasteurization
b. fertilization d. conjugation
Answer:
D
Explanation:
Conjugation
Describe how changing a biotic or abiotic factor can influence an entire biome. Could changing biotic or abiotic factors be responsible for the decrease in phytoplankton populations introduced at the beginning of this lesson? Explain.
Answer:
it can change weather things will live or die
Ecological succession occurs when changes to either abiotic or biotic factors have an impact on an entire ecosystem. The replacement of one community of creatures, such as a plant or animal, by another is known as ecological succession. A forest fire is one illustration.
What biotic or abiotic factor can influence an entire biome?An ecosystem's overall health is also influenced by biotic factors such as the diversity of consumers and the presence of autotrophs, or self-sustaining organisms like plants.
Abiotic variables have an impact on an organism's capacity for survival and reproduction. Populations are constrained in their expansion by abiotic forces. In an ecosystem, how these elements interact is crucial.
Therefore, it can change weather things will live or die.
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How does reproductive isolation differ in sympatric modes and allopatric modes of speciation?
Answer:
In allopatric speciation the groups are reproductively isolated and diverge due to a geographic barrier. In sympatric speciation, reproductive isolation and divergence occur without geographic barriers, for example polyploidy.
"I hope and my information serves you"
Explanation:
True or False?
The least complex level of organization of the human body is a cell.
Answer: false
Explanation:
Answer:
TRUEExplanation:
What are the body's levels of organization from least complex to most complex?
Cell, Tissue, organ, organ systemMatch the function to the structure or gland
Answer:
hypothalamus
Explanation:
Answer:
Hypothalumus - Part of the brain that helps to regulate the endocrine system
Thymus- Helps children develop a strong immune system
Pituitary- Regulates growth, water balance, and blood pressure
Thyroid- Regulates metabolism
Explanation:
I got it right
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Answer:
thx
Explanation:
Answer:
?????
Explanation:
Ok then???
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Give an example of an unethical but not illegal dilemma you could face in your future profession- do not use one of the given examples.
Answer:
Some immoral things done to boost the sale of the company
Explanation:
An act is said to be 'Unethical' when it is incorrect morally. While an act is said to be 'illegal' when it is incorrect legally. For example -
If a person works in the sales and marketing department of a company, then his/her motive is to boost the sales of a company at any cost. in purview of this, a sales manager indulge in several activities where they take credit of other's company branding, they pull sicky of each other, also they sometime sabotage the work of their competing company etc. All these actions are unethical but not illegal
What type of mutation is taking place in this diagram?
Answer options in the photo
Answer:
Inversion, because it's switched to the opposite order. d e f becomes f e d
Explanation:
How can these artificial reefs protect biodiversity in the ocean ecosystem?
Answer:The reefs create a shelter for organisms and food
Explanation:Therefore it now created a more populated area for more animals or organisms to live.
Answer:
Plato
Explanation:
Many animals depend on corals for food and protection. By restoring the reefs using this method, they may be able to protect other populations of organisms from declining as well.
13)
In human males, the urethra is used for transport of
A)
egg cells only.
B)
sperm cells only.
C)
egg cells and urine.
D)
sperm cells and urine.
Answer:
D
Explanation:
Answer:
D
Explanation:
Sperm Cells And Urine
The term chemicals in this diagram represents
A. Starch molecules
B. DNA molecules
C. Hormone molecules
D. Receptor molecules
Answer:
C. hormone molecules
Explanation:
hormones are secreted in glands and are transported to the organs where they affect it and cause changes.
What is length of GX?
6.2
Enter your answer in the box
5.7
units
4.5
w
Next
Answer:
6.2
Explanation:
The shape is congruent so it's just flipped. I hope this helps! :)
What determines the current phase of the moon?
Which side of the moon is facing earth
The earths seasons
How much of the sunlit part of the moon is visible
The 23.5 degree tilt of the Earths axis
Answer:
the answer is C
Explanation:
...............
What is the purpose of a gene
Answer:
Genes are a set of instructions that determine what the organism is like, its appearance, how it survives, and how it behaves in its environment. Genes are made of a substance called deoxyribonucleic acid, or DNA. They give instructions for a living being to make molecules called proteins.
Explanation:
Genes tell your body how to make all its proteins. Each new cell in the growing embryo receives a full set of genes. But not every cell needs to make every protein and cells make some proteins only at certain times. Some genes are instructions for proteins that regulate the activity of other genes.
Water flows up through vessels because water is sticky due to cohesion and adhesion.
A.Capillary Action
B.Surface Tension
C. Universal Solvent
Answer:
Capillary Action
Explanation:
Water molecules are attracted to the molecules in the wall of the glass container.Water molecules stick together because of polarity; a water molecule has a slightly positive end and a slightly negative end. Opposite charges attract, creating a cohesive force. Water molecules are attracted to each other. Which are basically the definitions of adhesion and cohesion.
5 sentence summary of the immune systems function
8.5A Which statement correctly describes the location, charge, and mass of the
neutrons in an atom?
Answer:
Neutrons are sub-atomic particles located in the nucleus of an atom. They have an atomic mass of one unit and have no charge.
Explanation:
