Answer:
1. B- gross primary productivity minus amount of organic material...
2. D- Increases
3. B- by observing cellular respiration under the absence of light
4. D- dead organisms and waste are recycled throughout the trophic levels.
5. C- the rate that plants and other photosynthetic...
Explanation:
Life Processes Quick Check
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The amount of energy that is available to organisms above producers is equal to the gross primary productivity minus the amount of organic material used in respiration (Option D).
Producers (e.g, plants, algae) are all autotrophic organisms at the first trophic level of the food chain in a particular ecosystem.
Gross primary productivity refers to the net amount of carbon fixed by producers in a particular ecosystem.
Moreover, the net primary productivity refers to the net amount of carbon dioxide that is fixed by producers (i.e., organic material) in an ecosystem minus the amount of organic material that is used for metabolic activities, i.e., during cellular respiration.
Therefore, the net primary productivity (NPP) can be estimated as the gross primary productivity (GPP) minus respiration rate (R):
NPP = GPP - RIn conclusion, the amount of energy that is available to organisms above producers is equal to the gross primary productivity minus the amount of organic material used in respiration (Option D).
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8. What are some general characteristics of an invasive species?
Answer:
they are not from the land that they are currently residing in
they destroy the ecosystem of the habitat they are currently in, as in they harm the native animals by eating all their food, eating them, etc.
they take up space too
Explanation:
4. Why are rattlesnakes necessary to the balance of life in a forest?
They eat rodents and are eaten by owls and hawks.
They are not useful to the balance of life and are dangerous to humans.
They compete with raptors for the same food source.
They eat insects which and are then eaten by raptors.
The rattlesnakes are necessary to the balance of life in a forest as they eat rodents and are eaten by owls and hawks. Therefore, option (A) is correct.
What are the characteristics of rattlesnakes?Venomous rattlesnakes belong to the genera Crotalus and Sistrurus, which are members of the subfamily Crotalinae. All poisonous snakes are snakes.
Rattlers are profoundly particular, venomous reptiles with huge bodies and triangle-molded heads. Because of their distinctive "rattle" at the tip of their tails, they are one of the most well-known groups of snakes.
Rattlers are tracked down in pretty much all aspects of the mainland US, however they're particularly normal in the Southwest. Additionally, rattlesnakes can be found in South America, Central America, and Mexico.
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The image shows the beak shapes of four different tinches observed by Charles Darwin on the Galapagos Islands Darwin observed that broad-boaked inches
prefer to eat large, hard seeds, while finches with narrow beaks cat small, soft seeds
What did Charles Darwin infer from this study that led to the development of the Theory of Evolution?
Anches with broad breaks have Nigher survival rules than tinches with nurow beaks
Finches with narrow beaks gradually evolve broader beaks to feed on all types of seeds
The finches evolved from different ancestors with different shapes of beaks
. The finches evolved from a common ancestor and developed different break shapes to adapt to the food available
Answer:
The mechanism that Darwin proposed for evolution is natural selection. Because resources are limited in nature, organisms with heritable traits that favor survival and reproduction will tend to leave more offspring than their peers, causing the traits to increase in frequency over generations.
Explanation:
On the islands, Charles Darwin discovered several species of finches. He found out that different species of finches varied from island to island. Besides elaborating his thoughts on natural selection, this also helped him in his investigation on the evolutionary changes of the finches. Beaks changed as the birds developed different tastes for fruits, seeds, or insects picked from the ground or cacti. Long, pointed beaks made some of them more fit for picking seeds out of cactus fruits. Shorter, stouter beaks served best for eating seeds found on the ground.
Natural selection is the theory behind evolution put forth by Charles Darwin. Given the scarcity of resources in nature, animals with heritable features that promote survival and reproduction will typically produce more offspring than their contemporaries, leading to an increase in the frequency of such traits across successive generations.
Which observations about the Galapagos Islands did Charles Darwin make?He discovered a remarkable population of plants, birds, and reptiles in the Galapagos that had evolved independently of the mainland, but that frequently differed on nearly identical islands next to one another and whose characteristics he could only explain by a slow evolution of the various species.
Charles Darwin discovered a number of finch species on the islands. He discovered that several finch species vary from island to island. The Galapagos Islands are well-known for being the location where Charles Darwin discovered many previously unknown species of animals, which inspired him to develop the theories of natural selection, survival of the fittest, and evolution.
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Sperm are produced in the
Glands
sperm ducts
testes.
urinary bladder
Answer:
Testes I cant explain it but this has to be at least 20 characters long
Answer:
Testes
Explanation:
Right off edge~
If a DNA sample contains 38% adenine, what percent of thymine, cytosine, and guanine must it contain?
Answer:
A and T have the same amount and also C and G:
T=A=38%
C=G=12%
Whether a mutation is helpful or harmful depends in part on an organism's
A. appearance
B. size
C. health
D. environment
the dunes in the park are formed by
a)rainstorms
b)tornadoes
c)earthquakes
d) strong winds
what does this quote mean?
Answer:repeat or copy out (a group of words from a text or speech), typically with an indication that one is not the original author or speaker.
Explanation: An example of a quotation is when you take a passage from Shakespeare and repeat it as written without changing any of the words. The prices or bids cited.
identify two processes that produce the basalt
Basalt rock formed on the cooling and crystallization of magma released from volcanoes.
What is basalt rock?The extrusive igneous (volcanic) rock known as basalt is black in color, low in silica content, and relatively high in iron and magnesium.
The most prevalent type of lava rock is basalt, which forms as magma, or liquid rock, and rises from the deep Earth at volcanoes. At several of the world's active rifts now, basalt is forming, including those in Iceland, the Red Sea, the East African Rift Valley, and the Rio Grande Valley in New Mexico and Colorado.
Basalt is used in construction (e.g. as building blocks or in the groundwork), making cobblestones (from columnar basalt) and in making statues. Heating and extruding basalt yield stone wool, which has potential to be an excellent thermal insulator.
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Can anyone answer this its urgent...
srrry if the cropping is bad
Answer:
The answer for this question is the ureotelic
Answer:
b?
Explanation:
Which of the following is true about RNA?
tRNA brings in an amino acid and bonds with mRNA
mRNA carries the code of rRNA to the nucleus.
mRNA is made from tRNA during transcription.
rRNA helps tRNA make a copy of the DNA gene.
Answer:
The right answer is
tRNA bonds with mRNA, bringing in amino acids.
Explanation:
Structures that function in chemoreception and are found at the anterior and posterior ends of nematodes are
Answer:
amphids and the phasmids
Explanation:
Name the respiratory structure in the amoeba
Answer:
The respiratory structure of an amoeba is called the mitochondria. This is because amoebas are eukaryotes and use mitochondria to respire.
Describe the
relationship
between the age
of rock layers and
an unconformity
Answer:
Laws of stratigraphy help scientists determine the relative ages of rocks. This law states that deeper rock layers are older than layers closer to the surface. An unconformity is a gap in rock layers. They occur where older rock layers eroded completely before new rock layers were deposited.
Explanation:
The study of rock strata is called stratigraphy. The laws of stratigraphy can help scientists understand Earth’s past. The laws of stratigraphy are usually credited to a geologist from Denmark named Nicolas Steno. He lived in the 1600s.
Hope this helps!
Brain-List?
There is more genetic variation ________________ a population that ________________ populations.
Answer:
1. Within
2. Among two different
Explanation:
There is more genetic variation WITHIN a population than AMONG TWO DIFFERENT populations. This is evident in the fact that phenotypic variation occurs at a greater length within a population resulting from natural selection based on survival and the ability to produce offspring strategy. This unlike populations that consist of two or more different populations mingled together.
Which material should you use so that the area is cool in terms of temperature?
Answer: red bricks
Explanation:
What's the definition of repel in biology ?
Answer: To resist; to ward off or to draw away by means of force
Answer:
(1) To resist; to ward off. (2) To draw away by means of force. Supplement.
Explanation:
I don't know I looked it up...
What ecosystem services do you think a grassland might provide for people?
Answer:
covett
Explanation:
non
non at all
(⌐■_■)
If a cell begins the cell cycle with 46 chromosomes, how many chromosomes will be in each of the two daughter cells produced by cell division?
Answer:
4
Explanation:
What is a wave?
A. a circular path for energy
B. a back and forth or up and down motion
carrying energy
C. a straight line of matter
D. a material that transfers energy
Answer:
B.
Explanation:
Lia's mother had a test to find out more about the baby she is expecting. The partial karyotype indicates: BB for eye color, dd for dimples (dimples are a dominant trait), and XY for sex. What can you tell about this baby?
It will be a boy with brown eyes and no dimples
It will be a girl with brown eyes and no dimples
It will be a boy with blue eyes and dimples
We cannot determine the inheritance from this information
Answer:
Its A
Explanation:
It will be a boy with brown eyes and no dimples. Therefore, the correct option is option A among all the given options.
What is partial karyotype?A karyotype is the overall look of a species' or an individual organism's chromosomes, which mostly includes their sizes, number, and forms. A karyogram, also known as an idiogram, is a graphical representation of a karyotype.
Lia's mother had a test to find out more about the baby she is expecting. The partial karyotype indicates: BB for eye color, dd for dimples (dimples are a dominant trait), and XY for sex. It will be a boy with brown eyes and no dimples.
Therefore, the correct option is option A.
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Where in the United States is there measurable evidence that the continents are moving relative to one another.
Answer:
the san Andreas fault line
Explanation:
United States is there measurable evidence that the continents are moving relative the san Andreas fault line.
Where is United states?The United States, sometimes known as the United States of America, commonly referred to as America, is a federal republic with 50 states in North America.
The 48 contiguous states that are located in the central latitudes of the continent are joined by Hawaii, an island state in the center of the Pacific Ocean, and Alaska, a state at the far western end of North America.
The conterminous states are encircled by Canada to the north, the Atlantic Ocean to the east, the Gulf of Mexico and Mexico to the south, and the Pacific Ocean to the west.
Therefore, United States is there measurable evidence that the continents are moving relative the san Andreas fault line.
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!!!!Someone help me with this!!!
!!!Eukaryotic Cell Structure and Function !!!!(Will Give Brainliest Answer)!!!
4. Cell wall, chloroplast and plastids
5. Plasma membrane, ribosomes, cytoplasm and DNA
6. Eukaryotes have a nucleus while prokaryotes don’t have one
7. Nucleus controls/regulates cell’s activities.
Nucleus consists of nuclear membrane, nucleoplasm, chromatin fibers, nucleolus and endosomes
I’m not sure how to answer the last question
Sorry if any answers are wrong
When during meiosis does crossing over happen?
Answer:
prophase
Crossing over occurs during prophase I of meiosis before tetrads are aligned along the equator in metaphase I. By meiosis II, only sister chromatids remain and homologous chromosomes have been moved to separate cells. Recall that the point of crossing over is to increase genetic diversity.
Explanation:
:)
Plants are called producers because they make their own food. Just like us, plants use their food for energy to respond, grow,
develop and reproduce. Which substance in this model is food for the plant?
-0)
A)
soil
B)
water
c
oxygen
D)
glucose
Answer:
D Glucose
Explanation:
1. What is the difference in the base pairing rules for DNA and RNA?
2. The what would be the complementary DNA strand for the following piece of DNA?
ATG GCT CTA CGT AAG
3. How would that change if the complementary strand was RNA?
Answer:
1.
DNA
A-T
G-C
RNA
A-U
T-A
G-C
2.
TAC CGA GAT GCA TTC
3.
AUG GCU CUA CGU AAG
What type of isotopes are termed radioactive isotopes?
The radioactive isotopes of an element are called radioisotopes.
The number of protons in the atomic nuclei of different isotopes of the same element is the same, but the number of neutrons varies. The radioactive isotopes of an element are called radioisotopes. They can alternatively be described as atoms with surplus energy in their nucleus or unstable neutron-proton combinations.An isotope will become radioactive if the neutron to proton ratio exceeds a certain threshold or the atomic number is higher than 83.According to the idea, an isotope will become radioactive if its atomic number is higher than 83 or if the neutron-to-proton ratio rises over one or becomes excessively large.Gamma rays, beta particles, and alpha particles are the three types of radiation that are released. Typical instances of radioactive isotopes are Arsenic−74, Iodine−131 and Cobalt−60.learn more about radioactive isotopes here: https://brainly.com/question/18640165
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(04.01 LC)
Which of the following is a molecule with more than one element?
O Atom
O Bacteria
Compound
Organism
Answer:
atom
Explanation:
atom atom atom atom
I NEED HELP FAST!!!!!!!
Weathering is a process in the rock cycle. How does weathering contribute to the formation of rocks?
Here are the answers
It increases the temperature and creates metamorphic rock.
It deposits sediment and forms sedimentary rock.
It breaks down rock into smaller pieces that can become sedimentary rock.
It causes lava to cool and harden into igneous rock.
Answer:
It breaks down rock into smaller pieces that can become sedimentary rock.
Explanation:
Weathering is the physical disintegration and chemical decomposition of rocks to form sediments and soils.
The process of weathering is very important for the formation of rocks because it breaks down rocks into smaller pieces.
By virtue of this, these tiny rock pieces called sediments are gathered and assembled together through erosion. They are then taken away and deposited in basins where they are transformed into sedimentary rocks. This is a very vital process in the rock cycle.What is uncoiled stringy DNA called
Answer: chromatin
Explanation:
What is uncoiled, stringy DNA called? It is called chromatin. How many pieces of chromatin does a human diploid cell have? Human diploid cells have 46 pieces of chromatin.