Answer:
A
Explanation:
this is because these photosynthetic protists have chlororphyll which is capable to make their own food materials through photosynthesis
HEy please help me..with number 3
Answer:
Abiotic Please tell me if I'm right or wrong!?
Explanation:
Carolus Linnaeus created a classification system (taxonomy) in the 1700's based on what? *
Answer:
The first answer
Explanation:
affrgrgrgwf
Answer:
Two word one
Explanation:
The Titanic was the most
A. vessel
B. luxurious
C. gazed
ship of its kind in 1912.
Answer:
B
Explanation:
The other answers dont make sense
The hypothesis that the continents once formed a single landmass, broke up and drifted to their present location is either:
Pangaea
Evolution
Atomic
Continental Drift
Pangea was the super continent and it divided and drifted apart cause of continental drift
Which muscle has 3 muscle "heads' or points of origin that is responsible for straightening the arm?
O Abdominals
O Biceps
O Triceps
O Gluteus Maximus
Answer:
The triceps brachii gets its name because it contains three muscle 'heads' or points of origin. These include the: Medial head. Lateral head.
Explanation:
sorry if i am wrong
If you saw a new moon on Sunday, when will you probably see a full moon?
A) on Sunday in one week
B) a week from Friday
C) on Sunday in two weeks
D) on Wednesday in two weeks
Answer:
A week from Friday
Explanation:
I gave my best guess, sorry if it is wrong
How can you use the terms of air pressure, air masses, and fonts to describe the formation of a tornado ??
How are convex and concave lenses used?
Answer:
Telephoto Lenses Are Combinations of Convex and Concave Lenses. Most optical devices make use of not just one lens, but of a combination of convex and concave lenses. For example, combining a single convex lens with a single concave lens enables distant objects to be seen in more deta
Explanation:
When geneticists cut genes from one organism and insert them into the DNA sequence of another organism, the process is called
The cutting of genes from one organism and inserting them into the DNA of another organism is called genetic engineering.
What is genetic engineering?It is the process of using rDNA or recombinant DNA technology to change the genetic makeup of an organism. The humans have manipulated genomes indirectly traditionally by selecting offsprings with desired traits and controlling breeding.
The process involves direct manipulation of one or more genes. Generally, in the process, a gene from another species is supplemented to the genome of another organism to give it a desired phenotype.
Thus, the process is called genetic engineering.
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Think about what abiotic factors giraffes and trees both need to survive. The tree and the giraffe are competing over what factor
How might genetically engineered crops help people in harsh climates(15p)
what are some traits of an index fossil? what are they used for?
A useful index fossil must be distinctive or easily recognizable, abundant, and have a wide geographic distribution and a short range through time. Index fossils are the basis for defining boundaries in the geologic time scale and for the correlation of strata.
The Classification level that includes the most specific traits is an organism's ______
IF YOU HELP ME I WILL GIVE YOU BRAINLIEST
Answer:
I dint see the pic.
Explanation:
but am very sorry.
Answer:
upload a pdf please. i dont think anyone would want to download a pdf on here, sorry!
Describe the movement of Earth’s mantle. Explain how convection currents can cause tectonic plates to move.
Answer:
Heat rising and falling inside the mantle creates convection currents generated by radioactive decay in the core. The convection currents move the plates. Where convection currents diverge near the Earth's crust, plates move apart. Where convection currents converge, plates move towards each other.
Convection currents from core radioactive decay rise and fall in the mantle. Convection currents move plates. Plates separate near convection currents. Plates converge at convection currents.
What are convection currents?Convection currents are caused by differential heating. Warm, less dense, lighter material rises while cool, more dense, heavier material sinks. Convection currents are patterns of circulation that are produced by this movement in the Earth's mantle, oceans, and atmosphere.
Convection currents are produced by radioactive decay in the core and are caused by heat rising and falling inside the mantle. The plates are moved by convection currents. Plates separate where convection currents split close to the Earth's crust. Plates move in the direction of one another where convection currents converge.
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The diagram below shows a food web. The organisms in a food web can be classified based on how they
get the energy they need.
Which organism in this food web is a primary consumer?
A>mouse
B>snake
C.fox
D.hawk
In what direction and with how much net force will the satellite move?
Explanation:
I am not sure with this answer but the satellite should be moving in the direction of 1000N-left since the greater force is being applied on the left side which 1000N. I am just learning on it.
Which type of molecule speeds up chemical reactions in living things?
Lipid
Nucleic acid
Protein
Water
Answer:
The answer is Protein
Explanation:
Hope this helped <3
PLEASE HELP (THIS IS SCIENCE
I believe D is the correct answer
\
Which characteristic of our solar system is most crucial to support life on Earth?
A.the length of time of earths revolution
B.distance between the earth and sun
C.the distance between the sun and other stars
Answer:
it is option B hope it helps
Cell Wall Functions:
1.Structure and protection
2.Organizes DNA
3.Digests, recycles materials
4.all of the above
plz help
first answer (melted rock in the interior of the earth cools after so many years, turns to solid rock. after plates into each other, mountains form due to pressure which brings the rock on the earth's surface. another way is when rocks flow out with lava, the lava cools and hardens into a rock). this is my first answer. Answer about how you think melted rock deep within Earth could change over time. Would you revise your answer now? If so, how? If not, explain why.
Melted rock within the Earth changes over time crystallization and forms igneous rocks.
What is an igneous rock?One of the three primary rock types, along with sedimentary and metamorphic rocks, is an igneous rock, also known as magmatic rock. When lava or magma cools and solidifies, igneous rock is created. The partial melting of pre-existing materials in the mantle or crust of a planet can produce the magma.
Based on their chemical makeup, igneous rocks can be categorised into four groups: felsic, intermediate, mafic, and ultramafic. Most of the crust of the earth is made up of igneous rock.
The most typical igneous plutonic rock is granite. contains essential quartz, plagioclase, and alkali feldspar; hornblende, biotite, and/or muscovite are frequently present.
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hey help please......
Answer:
Biotic:The bugs and the trees
Explanation:
The bugs wouldn’t be eaten by the frogs because frogs rely on water and the trees would survive from rain.
Someone help me please!
Answer:
grasshopper
Explanation:
becaue it ate it directly and therefor got the most
Which of these statements best describes the connection between biodiversity and evolution?
The more biodiversity an area has, the greater the chances of new species arising.
If biodiversity is high, then more predation will take place, preventing species from evolving,
Without a lot of biodiversity, organisms are more likely to survive, so they have more time to adapt.
Evolution depends upon low biodiversity to keep population sizes down, which increases numbers of genes.
Answer:
Without a lot of biodiversity, organisms are more likely to survive, so they have more time to adapt.
Explanation:
A scientist lists the characteristics of an organism that he is observing
It is multicellular
It has cell walls made of cellulose,
It makes its own food,
In which of these Kingdoms should the organism be classified?
Animalia
Archaea
Fungi
Plantae
A scientist lists the characteristics of an organism which he is observing. This organism should be classified under the kingdom Plantae. Thus, the correct option is D.
What is Plantae?The living organisms on the planet are divided into five different kingdoms including Monera, Protista, Fungi, Plantae, and Animalia are classified on the basis of their characteristics such as the cell structure, mode of nutrition, mode of reproduction and the body organization.
Kingdom Plantae is a kingdom of the five kingdom classification given by R. H. Whittaker. Plants include green, brown and red algae, liverworts, mosses, ferns and the seed plants with or without the formation of flowers. They have the characteristics including multicellular organisms, covered with a cell wall made up of cellulose, are autotrophs (make their own food), contain photosynthetic pigment in plastids.
Therefore, the correct option is D.
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Which statement explains why secondary succession is generally more rapid than primary succession?
An area of secondary succession has never been colonized.
There are no competing organisms in secondary succession.
The soil is already present at the start of secondary succession.
Pioneer species in secondary succession include bacteria.
Answer:
The soil is already present at the start of secondary succession.
Explanation:
Secondary succession is usually faster than primary succession because soil and nutrients are already present due to 'normalization' by previous pioneer species.
The Sun seems to move across the sky each day because of the rotation of the Earth on its axis. The Sun's path across the sky also appears to change over the different seasons of the year.
Why does the Sun's path change over the different seasons?
A.
because the Earth is tilted and revolving around the Sun
B.
because the Sun is tilted and rotates around its axis
C.
because the Sun is tilted and revolving around the Earth
The population size of organisms in an ecosystem is based on a variety of limiting factors. The graph
below shows how a rabbit population changed in size over a five-year time period.
Based on the information in the graph, what is the maximum number of rabbits that can obtain
what they need to survive in this ecosystem?
A.about 35
B.about 10
C.about 5
D.about 25
Answer:
A
Explanation:
In the graph below, the maximum number of rabbits that can live and survive in the ecosystem is the 35 that are present in Option A, as it is the highest carrying capacity of the ecosystem.
What is the influence of carrying capacity on rabbits?carrying capacity of the ecosystem depends upon many factors such as space, food availability, suitability, etc., and as per that, the carrying capacity differs. The graph here is plotted between the rabbit and the years, so the ecosystem can only support up to 35 rabbits, and any more would result in rabbit decline due to fewer foods and unsuitability of the environment.
Hence, in the graph below, the maximum number of rabbits that can live and survive in the ecosystem is the 35 that are present in Option A, as it is the highest carrying capacity of the ecosystem.
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Scers who search for oss scheuse the smalfossilto describe some of the finds. An example of a transitional fossilis Dimetrodon, which lived 280-265 million years ago. Dimetrodon had alzard-e appearance but had a sale
structurecking out from is back that owed to regulate is body temperature, an ability that is found today in modern warm-blooded mammals. While Dimetrodon swallowed its prey whole like reptiles do it also had different types of teeth, a tratalo
common to which of the best explains how tonalfossils support the theory of evolution?
Transitional fois show rats common to ancestors as well as descendants
Trafo show how the organic characteristics remain the same over time
Tanlos show how individual organism can change their characteristics during their times
Transitional fossils show how populations of past organisms were not able to change their characteristics over time
Answer:
sorry for the answer because I can"t understand it
