Answer:
organisms create the food from which all other subsequent levels of the food chain get their food, and because they generate the food by the direct conversions of solar energy they are considered the primary food producers for a biosystem. Therefore, plants are considered the primary producers. Approved by eNotes Editorial Team
Explanation:
Answer:
Primary producers make their own food. Examples are organisms like plants and algae. Primary producers serve as food sources for primary consumers, which are organisms that eat producers, such as cows.
What is needed for evolution to take place?
Answer:
genetic variation
Explanation:
Use the data you calculated in parts A and B to explain why gypsy moths could threaten biodiversity in the ecosystem.
Answer: edmentum
The number of gypsy moths is growing exponentially in a short period of time, which suggests that there are few predators controlling their population. This growth also aids the exponential destruction of shrubs and trees, which native species rely on for food and shelter. Increased competition for these resources will likely cause the population of many native species to decline. Over time, some of the native species may die out or leave the area, leading to a decline in biodiversity.
Answer:
The number of moths are growing fast in just a short period of time, this means that their poulation is being controlled by their predators. As the population of the moths continue to grow, there will be an increase in the destruction of crops and trees within the moth's environment. Over time some of the species may die out and cause them to relocate and cause a decrease in biodiversity.
Explanation:
I put this answer in my own words, so you may copy and paste it.
The caterpillar of the Gypsy Moth provokes tree damage but since it is the only stage of the life cycle that utilizes food. When the population of feeding caterpillars reaches pandemic proportions, they can completely defoliate trees.
What is a biodiversity?The term biodiversity pertains to the diversity of life on Earth at all levels, from genes to ecosystems, and can encompass the evolutionary, ecological, and cultural processes that enable life to exist.
The caterpillar of the Gypsy Moth provokes tree damage but since it is the only stage of the life cycle that utilizes food.
When the population of feeding caterpillars reaches pandemic proportions, they can completely defoliate trees.
Thus, this way gypsy moths could threaten biodiversity in the ecosystem.
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Help please!! Louisa wants to find out whether earthworms prefer to live in the dark or in the light. She constructs an investigation. She fills a box with dirt and places 30 earthworms in the dirt. Then, she covers half of the box with a lid. She leaves the other half open. After waiting a week, what should Louisa do next? No links!!!
A. repeat the experiment
B. write a report to present to her science class
C. ask another question about the behavior of earthworms
D. count the number of earthworms that are present on each side of the box
Answer:
A is the answer because she have to answer again to make sure it is right
In North America, the eastern spotted skunk mates
in late winter, and the western spotted skunk mates
in late summer. Even though their geographic
ranges overlap, the species do not mate with each
other. What most likely prevents these two species
from interbreeding?
A. habitat isolation
B. gametic isolation
C. geographic isolation
D. reproductive isolation
Reproductive isolation is a mechanism through which species do not get to interbreed. Option D. reproductive isolation
What is reproductive isolation?This is a mechanism through which different species or populations do get to mate and produce fertile offspring. This mechanism allows the accumulation of genetic differences and favors speciation.
There are different barriers that inhibit or interrupt the genetic flow between different species.
Reproductive barriers prevent mating between two or more species. There are two types of barriers,
prezygotic ⇒ that avoids fertilization between individuals of different species, postzygotic ⇒ that impedes the zygote to develope and reach the adult stage.Pre-copulatory o pre-ziygotic:
• Ecological or by habitat isolation;
• Seasonal or temporal;
• Séxual o ethologic;
• Mechanic;
• Gametes incompatibility.
Postzygotic mechanisms or barriers include
• Hybrid inviability,
• Hybrid sterility,
• Cytoplasmic interactions.
In the exposed example occurs a seasonal difference between the mating period of the eastern spotted skunk and the western spotted skunk.
Probably, if both of them would mate during the same season and in the same area, they could reproduce.
However, since their mating season differs, individuals from each species do not get to cross and hence, produce fertile offspring.
Option D. reproductive isolation is what most likely prevents these two species from interbreeding
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Jan drew a diagram to compare centipedes and millipedes. Which belongs in the area labeled Y?
A.are active predators
B.have two pairs of legs on each segment
C.use specialized mouthparts to attach to hosts
D.use claws to inject venom
Answer:
BBB millipedes have two sets of legs on each segment.
Explanation:
i took the test.
Answer:
B.have two pairs of legs on each segment
Explanation:
Please like and have a good day
As the Earth's climate continues to get warmer, air quality is expected to get worse (e.g., ozone level and particulate matter).
Group of answer choices
True
False
the starting cell must duplicate its chromosomes in interphase before mitosis or meiosis can begin. does this change the number of chromosomes? chromatoids? both? how many of each would you expect in a human cell after interphase? (i need the second question answered plz)
Which type of mining is likely the least harmful to the environment?
Answer:
Placer mining can be less damaging to the environment than surface mines, as the sediment is returned to the water after the minerals have been extracted.
Explanation:
anyone know this I don’t get the question
Answer: 5.000/ml
Explanation: density = mass/volume= 50/ 100=1/2 or 0.5 g/ mL
A farming consortium is experiencing serious problems establishing stable and profitable rice production in their Northern California acreage. It is unclear whether the problem is the strain of rice being used, or a range of local environmental issues, including local pests and local soil conditions. Which of the following plant professionals is the company most likely to choose to address this problem?
Answer:
A way that plant professionails can address and fix the problem is by introducing the idea of GMOs and genetically modifying the rice. This would make rice be able to grow in harsh conditions and become sustainable to pests. Also, genetically modified rice is cheaper and will bring in more money.
A guiding question instead of a hypothesis is most likely used in which of the following?
A. Scientific investigation
B. Laboratory experiment
C. Laboratory test
D. Repeated trials
Plz help well mark brainliest!!!
Bacteria that are resistant to more than one antibiotic are called superbugs. Compare the control and antibiotic data from the three farms and select all the true statements. A: Another superbug was created by using the same method of giving antibiotics to chickens as Monita Farms. B: Our experiment was a failure. VIC: The data for the control farm shows that not administering antibiotics helps to prevent superbug creation. D: Natural selection is not a possible cause of the superbug creation on Monita Farms. E: There was no reason to test the control solution.
A and C, I got it correct
Answer: There was no reason to test the control solution.
Explanation: Bacteria that are resistant to more than one antibiotic are called superbugs. Compare the control and antibiotic data from the three farms and select all the true statements. A: Another superbug was created by using the same method of giving antibiotics to chickens as Monita Farms. B: Our experiment was a failure. VIC: The data for the control farm shows that not administering antibiotics helps to prevent superbug creation. D: Natural selection is not a possible cause of the superbug creation on Monita Farms. E:
Hemophilia is
A. an autosomal dominant inherritated disorder
B. an autosomal recessive inherited disorder
C. an Y- linked recessive disorder
D. an X- linked recessive inherited disorder
If you push a cooler with 20 N of force for a distance of 2 meters, the amount of work done is
Answer:
40 J
Explanation:
Please select the word from the list that best fits the definition
Grouping items together to keep observations organized
inferring
predicting
classifying
observing
Answer:
classifying
Explanation:
for example like classifying the files from SVU classifying them keeps them more organized and labeled kind of like identifying them classifying them keeps them all together in one group
Most animals develop from what embryonic tissues? Select all that apply.
Is a volcano part of the lithosphere? Explain. NO WEIRD LINKS!
Answer: Tectonic activity is responsible for some of Earth's most dramatic geologic events: earthquakes, volcanoes, orogeny (mountain-building), and deep ocean trenches can all be formed by tectonic activity in the lithosphere.
Please give me brainlest if this helps.
1. It takes 29.5 days for the Moon to orbit Earth. How many days and hours does it take
7 days 15 hours per quarter
0 7 days 10 hours per quarter
0 7 days per quarter
0 7 days and 5 hours per quarter
Imagine you are producing a short film depicting the molecules and biological processes involved in gene expression. For this, you need to first create a storyboard for your film. A storyboard is a sequence of drawings, along with some description or dialogue, that illustrates and represents the scenes of a story or movie. Create a storyboard for the process of gene expression/central dogma depicting the story of how the cell uses the information in DNA to synthesize a protein.
Answer:
By decoding information with the help of transfer RNA (tRNA).
Explanation:
The cell uses the information in DNA with the help of transfer RNA (tRNA) to synthesize a protein because transfer RNA (tRNA) decode a messenger RNA (mRNA) in order to produce proteins according to the information present in messenger RNA (mRNA). The information about protein is stored in a gene's DNA which is passed to a RNA in the cell nucleus which is responsible for formation of copies of DNA in the process of translation. So the cell uses the information of gene's DNA with the help of RNA molecules.
As the water is forming into ice on tree branches are the molecules (gaining/losing) freedom of movement?
answer: losing
as the the water begins to freeze so does the molecules
Need help asap explain how scientists can use spectra to determine substances on another planet is what it says at the bottom
You can use spectra to determine substances on another planet is what it says at the bottom. This explains how scientists can use spectra to determine.
reproductive isolation occurs when
Answer:
Reproductive isolation can occur when individuals or the populations exhibit differences in the timing of various activities like mating and so on .
Describe sexual reproduction in your own words.
Answer:
Sexual reproduction is the process in which new organisms are created, by combining the genetic information from two individuals of different sexes. The genetic information is carried on chromosomes within the nucleus of specialized sex cells called gametes.
Explanation:
. The average adult (like Hank) is _________% water, ________% protein, _______% fat, _______% minerals, and _______% carbohydrates. 2. All the macromolecules that make you up come from ______________________________. 3. __________________________ reactions destroy the reactants that you give them, making big, complex substances smaller and __________________________ reactions reassemble the smaller products into new, bigger products. The processes behind these two sets of reactions make up your
Answer:
1. 62 percent water, 16 percent fat, 16 percent protein, 6 percent minerals, and less than 1 percent carbohydrate, along with very small amounts of vitamins and other miscellaneous substances.
2. Food.
3. Catabolic, Anabolic, Metabolism
AG CLASS HELP PLZ!!!!!!!
Complete the following sentence.
A turf management professional seeking advancement may choose to get certification through a
____________-_____________ program offered by a university as part of its continuing education options.
sorry no options
Answer:
the government
Explanation:
because i am reading in 7 class
1 pts
What happens in nuclear fission?
Energy is released when two atoms collide with one another.
O Energy is released when two atoms travel at the speed of light.
O Energy is released when two atoms are combined.
O Energy is released when an atom is split apart.
Importance of photosynthesis to humans
Answer: Green plants and trees use photosynthesis to make food from sunlight, carbon dioxide and water in the atmosphere: It is their primary source of energy. The importance of photosynthesis in our life is the oxygen it produces. Without photosynthesis there would be little to no oxygen on the planet.
Explanation:
GIVING 20 POINTS PLEASE HELP ME ASAP!!!!!
Answer:
The Answer is gonna be D. There are fewer winds in summer to interfere with drying up puddles