Answer:The immune system protects your child's body from outside invaders, such as bacteria, viruses, fungi, and toxins (chemicals produced by microbes). It is made up of different organs, cells, and proteins that work together.
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On the Galapagos Islands, Darwin observed tortoises with domed and saddle-shaped shells. How did Darwin's observations of these tortoises help him form the theory of evolution by natural selection?
Answer:
He realized that the tortoises shells changed to better suit the environment they were living in
Not sure if this helped but I hope it did :)
Which layer of Earth has the most influence on Earth's magnetic field?
Answer:
Earths inner core
Sorry, Hope this helps.
Explanation:
BLANK transport moves substances from an area of high concentration to an area of low concentration.
Answer:
The answer is Diffusion .
Explanation:
Diffusion is a net movement of molecules from a region of high concentration to a region of low concentration down a concentration gradient.
Answer:
active transport moves substances from an area of low concentration to an area of high concentration.
Explanation:
ANSWER IS: active
What is a genotype and what is a phenotype? Also what are dominant and recessive alleles and how are they written out?
Answer:
An organism's genotype is its specific combination of alleles for a given gene. ... The phenotype is the physical manifestation of an organism's allellic combination (genotype). For the pea plants, if the red allele is dominant and the white allele is recessive, only two phenotypes are possible.
Explanation:
Paul Laurence Dunbar was born in Dayton, Ohio, in 1872, the son of two former slaves. When Dunbar was a young man, his mother encouraged him to read. He started reading, reciting, and writing poetry by the age of six. After receiving his education, Dunbar continued writing and worked as an elevator operator to help pay his bills. After publishing two poetry collections, Dunbar was well-known around the country. Today, many people still celebrate Dunbar's writing and honor his talent. Which of these is the BEST topic sentence for the composition? A) Paul Laurence Dunbar was a famous poet during the early 1900s in America. B) Many famous American writers and poets emerged during the early 1900s. C) Poets are creative people who help to change the places they live. D) A few well-known American poets lived during the early 1900s.
Answer:
The answers A.
Explanation:
Because the passage isn't talking about poets in general, it's specifically talking about Paul Lawrence Dunbar. So the topic sentence should have him as the main theme.
A student is observing a sample of pond water and provides the following description in her observations.“I see euglena and paramecium swimming around in the drop of water. A daphnia is feeding on a clump of algae. I see air bubbles around the small clump of algae.”Would you describe what the student saw as a community or an ecosystem? Explain what clue(s) helped you decide.
Answer:
The student is viewing a community.
Explanation:
As we can see in the question above, the student is visualizing a group of living beings of different species that share the same environment and that interact with each other. We call this type of situation a Community.
An ecosystem, on the other hand, would be the set of several communities, which is not presented in the question above.
What is the surface composition of Uranus?
Which of the following statements about human society and limiting factors is true?
Answer:
Modifications made to the environment to reduce the impact of limiting factors can cause disruption to the natural balance of an ecosystem
Explanation:
What are resistant marine ridges or mounds that are composed primarily of biochemically deposited calcium carbonates?
Answer:
yea
Explanation:
Consider a melt that has cooled to a temperature such that olivine, pyroxene, amphibole, and calcium-rich plagioclase feldspar have crystallized. which elements will be enriched in the melt, and which will be depleted in the melt?
Answer:
Calcium is enriched, while they are depleted of carbon.
Explanation:
It should be understood that during the process of volcano eruption, carbon is liberated as the molten magma is coming out , this is due to the heat that is being evolved. And calcium will be the molecules that will make the molten solidified after wind has cooled it down.
That is why they are depleted of carbon, and enriched with calcium.
which of the following is not a reason to use the scientific name of an organism, instead of the common name ?
A.the scientific name contains useful information, such as the genus name, which tells what other species this organism is related to
B.the scientific name is unique to each biological species, while the same common name may be applied to several different species
C.the scientific name is easier to remember and is commonly used in conversation
D.none of the above
Answer:
D. The Scientific name is specific to genus, more difficult to remember, and contains usefulness in the information it provides.
Explanation:
With all of the above, none of the option say why you would not use the scientific name.
What do oestrogen and progesterone do in the menstrual cycle
Answer:
Oestrogen and progesterone in the control of the menstrual cycle. Progesterone maintains the uterus lining (the thickness of the uterus wall). If the egg has not been fertilised, the corpus luteum dies and progesterone levels drop. This causes menstruation, where the uterus lining breaks down - this is known as having a period.
What are some of the benefits of roundworms? Check all that apply. A) They help purify sources of fresh water. B) They feed on pests like termites, fleas, and ants. C) They can be used to treat patients with blood clots. D) They break down organic matter in the soil. E) They aid in nutrient cycling.
Answer:
B) They feed on pests like termites, fleas, and ants.
D) They break down organic matter in the soil.
E) They aid in nutrient cycling.
Explanation:
It's on Edge 2020
is flowering patterns independent or dependent
Answer:
The correct answer is dependent.
Explanation:
A variable whose variation does not rely upon that of another is known as the independent variable. An independent variable is modified or monitored within an experiment to examine the influence on the dependent variable. On the other hand, the variable that is being measured and examined within an experiment is termed as the dependent variable.
The flowering pattern is being considered as the dependent variable as the pattern of flowering relies upon the concentration of light exposed by the plant.
Use a Punnett Square to show the probability of 2 heterozygous Black Bears producing a Kermode Bear. Include the phenotype and genotype ratio and percentage of the offspring.
Answer: geno- 25%BB 50%Bb 25%bb
Pheno: black, kermode(white)
Explanation: the top of the punnett square should have Bb and the side should have Bb.
Square one should be BB square two should be Bb square three should be Bb and square 4 should be bb * note* the percentages should add up to 100 and use percentages of 25
***WORTH 25 POINTS****
What 2 processes change sedimentary rock into igneous rock? (has to become magma first) _________ & _____________.
Answer:
High Temperatures and Pressures; Cooling and Hardening When Sedimentary rocks are heated with tremendous heat and pressure, it will melt and be back again to magma. After some time it will cool and harden and will become Igneous rocks.
The purpose of the microvilli in the small intestine is to _______________. MULTIPLE CHOICE.
A. increase friction
B. propel chyme along the digestive tract
C. aid in locomotion
D. increase surface area
Answer: D. increase surface area
Explanation:
Microvilli are hairs that aid in absorption of nutrients. In the small intestine, these cells contain microvilli, which are tiny hair-like projections that increase nutrient absorption. These projections increase the surface area of the small intestine allowing more area for nutrients to be absorbed.Answer:
D
Explanation:
With more surface area food can be broken down faster
A random mating population has an established frequency of 64% for organisms that are homozygous recessive for a given trait. What is the frequency of this recessive allele in the gene pool? *
a. 0.8
b. 0.32
c. 0.6
d. 0.2
What is a Genome? Where is it found? What does it contain?
Answer:
A genome is a complete set of dna(genetic information) and contains all of an organisms genes.It is found in the nucleus.
What type of plate boundary is illustrated in the image?
The type of plate boundary illustrated in the image is convergent boundary plates.
What is the convergent boundary?An area where two plates converge is referred to as a convergent border. The borders of one or both colliding plates may bow up into mountain ranges as a result of the impact, or one plate may bend down into a deep undersea trench.
Convergent boundary plates are the kind of plate border that is depicted in the image. The edges of a plate boundary are those of two plates that are either colliding, moving apart or meeting.
Activities like mountain-building, earthquakes, and volcanoes do happen at plate borders.
Therefore, the border where two plates are colliding is known as a convergence boundary.
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How do ocean currents affect temperature? Check all that apply
Answer:
Ocean currents are the continuous, predictable, directional movement of seawater driven by gravity, wind (Coriolis Effect), and water density. Ocean water moves in two directions: horizontally and vertically. Horizontal movements are referred to as currents, while vertical changes are called upwellings or downwellings.They carry cold water from the poles to the equator and cool air over land. They move warm water from the equator to the poles and heat air over land.
Explanation:
They carry cold water from the poles to the equator and cool air over land. They move warm water from the equator to the poles and heat air over land.
Answer:
They carry cold water from the poles to the equator and cool air over land.
They move warm water from the equator to the poles and heat air over land.
Explanation:
i just answered the question
In probability, an outcome is a possible _____.
Explanation:
result of an experiment or trial
Summarize what the theme in biology show.
WILL MARK BRAINLIEST!! DON’T COPY FROM OTHERS MAKE YOUR OWN!!
Please help!!! I will mark you the BRAINLIEST
Answer:
Molecules stop moving at freezing point. Helium has the lowest boiling point. The molecules move very quickly at boiling point.
Explanation:
Heating up- molecules move faster. Cooling down- molecules move slower
Can anyone me me please to solve this question
The diagram shows the field lines near the poles, X and Y,
of two magnets
Based on the field lines, what are the poles of the
magnets?
X: north
Y south
X: south
Y north
X: north
Y north
Y
X: south
Y south
Mhandreturn
Save and Exit
NOMI
Submit
Answer:
D
Explanation:
X:South
X:South
Are moths blind, ive always Been told they are but I’m not sure. I will give brainly
Answer:
No they are not.
Explanation:
Hope I helped
Answer:
No. Moths are not blind. ... A moth's dark-adapting mechanism responds much more slowly than its light-adapting mechanism. Once the moth comes close to a bright light, it might have a hard time leaving the light since going back into the dark renders it blind for so long.
Explanation:
From google
What is the best way to determine a species population in an area?
A. Subtract the carrying capacity from the original population.
B. Subtract those from those in the area from those in or arriving at the area.
C. Add up the sustainability in the area, and subtract the number of deaths.
D. Add up the animals that have been born recently
What would happen if there were no condensation stage in the water cycle?
Answer:
Explanation:
The condensation stage is the one where water vapour gathers together into clouds (and when the clouds become heavy enough with vapour, release water as rain). So the first answer is that there would be no clouds. Without clouds, I foresee a few things happening: ... Clouds reflect sunlight and help cool the Earth.
Which kind of succession occurs AFTER a large forest fire?
A. Primary succession
B. Secondary succession
Answer:
B
Explanation:
I know someone already gave an answer but it was wrong. I know this because I was marked wrong when I chose primary succession.