Answer:
164.81 earth years
Explanation:
I looked it up
Which parts of the compound light microscope can be used to improve the quality of the image being observed?
a.) diaphragm and fine adjustment
b.) ocular and high power objective
c.) coarse adjustment and low power objective
d.) ocular and diaphragm
A science class is taking a census of the organisms that live in a pond by their school. They lowered the bucket into the pond to a depth of 3 feet and drew up a liter of pond water. They recorded the organisms visible in the bucket. They then took a drop of the water and placed it under a microscope. They recorded the organisms visible under the microscope.
The class found many nonliving things in the sample of pond water. Which of these is a way that the students can distinguish living from nonliving things?
Choose the correct answer.
A) Living things are made up of cells while nonliving things are not.
B) Living things grow larger with time while nonliving things do not.
C) Living things breathe air and eat food while nonliving things do not.
D) Living things can move from place to place while nonliving things cannot.
Inconclusive DNA results indicate _____.
O human error.
O a perfect match.
O a nearly perfect match.
O the two profiles do not match.
Seed Germination Investigation
The students are to investigate the process of seed germination during their summer
vacation.
They will select different types of seeds, such as beans, peas, or sunflower seeds.
Encourage students to set up a germination experiment by placing the seeds in
different conditions, such as light vs. dark, or wet vs. dry. Moreover, they need to
pot the same seed in more than one pots.
They should observe and document the changes that occur over time, including the
emergence of roots and shoots
Answer:
b
Explanation:
I took test
Answer: Encourage students to set up a germination experiment by placing the seeds in different conditions, such as light vs. dark, or wet vs. dry. Moreover, they need to pot the same seed in more than one pot.
Explanation:
This option provides a clear and practical approach to the seed germination investigation. By setting up different conditions for the seeds, such as light vs. dark or wet vs. dry, the students can observe and compare how these conditions affect the germination process. Additionally, potting the same seed in multiple pots allows for a controlled comparison within the experiment.
By manipulating these variables, the students can gather valuable data and observations regarding the influence of light and moisture on seed germination. This approach promotes a hands-on and investigative learning experience, encouraging students to actively engage with the scientific process while documenting the changes that occur over time, such as the emergence of roots and shoots.
50 POINTS!
Energy is transferred into the ecosystem when
1.when bacteria absorbs nitrogen from other organisms
2. dead organisms decay and form organic matter
3. rodent prey on invertebrates
4.plants grow from the soil
Answer:
2
Explanation:
Energy is transferred between organisms in food webs from producers to consumers.
The energy is used by organisms to carry out complex tasks. The vast majority of energy that exists in food webs originates from the sun and is converted (transformed) into chemical energy by the process of photosynthesis in plants.
Answer: between organisms in food webs from producers to consumers.
Explanation:
What is a genetic mutation?
will give brainliest
Answer:
Acquired (or somatic) mutations occur at some time during a person's life and are present only in certain cells, not in every cell in the body. These changes can be caused by environmental factors such as ultraviolet radiation from the sun, or can occur if an error is made as DNA copies itself during cell division
Explanation:
hope it helps you
Which choice is involved in both sexual and asexual reproduction?
spores
eggs
sperm
seeds
The correct answer is:
A.(spores)
I took the test, hope this helps!
The choice that is involved in both sexual and asexual reproduction is the spore that is presented in the first option, as the spore can be released by a wide variety of species, such as fungi, mosses, algae, etc.
What is the significance of the spores?These are found in fungi, mosses, algae, and other organisms and can be released when needed, as they are reproductive cells important for the reproduction and survival of these organisms, such as fungi spores that aid in reproduction and survival in harsh environmental conditions. While most spores serve the same purpose, some spores indicate the air quality in the ecosystem.
Hence, the choice that is involved in both sexual and asexual reproduction is the spore that is presented in the first option, as the spore can be released by a wide variety of species, such as fungi, mosses, algae, etc.
Learn more about the spores here.
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Explain how the processes in the water cycle work together to maintain a constant amount of water on Earth.
Which animal would most likely be found in a warm area near the equator that gets around two meters of rainfall per year?
A) Deer
B) Zebra
C) Orangutan
D) Wolf
Answer:
B) Zebra.
Zebras are well adapted to live in warm areas near the equator and can be found in grasslands and savannas where they graze on grasses. They are also able to tolerate a wide range of rainfall patterns, but are commonly found in areas that receive around 2 meters of rainfall per year.Deer are more commonly found in cooler areas with forests, and wolves typically live in colder climates such as forests or tundras. Orangutans are primates that live in tropical rainforests and are adapted to living in areas with high rainfall levels. However, they are not typically found in open savannas or grasslands.
How is data represented?
pls help me will mark brainlyest :) :
Internal and External Structures
You are now going to construct an argument that plants have internal and external structures that support growth and reproduction.
Choose the internal and external structures you want to gather evidence and create a statement about.
subject: sciences
Explanation:
Some structures are internal, like the lungs, brain, or heart. Other structures are external, like skin, eyes, and claws. Some structures are unique, like the long neck of a giraffe. Other structures are more common, like a heartStructure and Function: Plants and animals have both internal and external structures that serve various functions in growth, survival, behavior, and reproduction.
If there were more seafloor spreading occurring at mid-ocean ridges than subduction at ocean trenches, what would happen to the seafloor in the ocean?
A. Nothing would happen. The ocean's seafloor would stay the same.
B. The ocean's seafloor would sink into the mantle below.
C. The ocean's seafloor would get smaller, losing more crust than its created.
D. The ocean's seafloor would grow, creating more crust than is destroyed.
Answer: It's D bc when there is more seafloor spreading it would push the older rocks to the ridges.
Explanation:
Fossil fuels were made from specific kinds of ancient organisms. The fossilized remains of tiny ocean organisms formed
A. Only Coal
B. Only Natural Gas
C. Oil and Coal
D. Oil and Natural Gas
Answer:
I am not sure but I think it's option b
Answer:
D. Oil and Natural Gas
;-; i know how to do it im just not sure
A circle has a circumference of 62.8 feet. What is the area, in square feet, of the circle?
"Gametes are haploid cells." What does this sentence mean?
The sentence “gametes are haploid cells” means that gametes/sex cells have a single set of unpaired chromosomes
“Gametes are haploid cells.” This sentence means that gametes contain half the total number of chromosomes that are present in the other cells of the organism.
What are gametes?Gametes are the reproductive cells of an organism that are involved in sexual reproduction. They are specialized cells that are produced with the process of meiosis.
In animals, the male gamete is called sperm while the female gamete is called ovum or egg. Sperm is typically a smaller and motile gamete which fertilizes the egg to form a diploid zygote (2n) by the process called fertilization.
Gametes are important for sexual reproduction and the maintenance of genetic diversity in populations. They are also the key to the process of evolution, which can lead to genetic variations that can be passed on to the future generations.
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9. A section of a topographic map is shown below. X- 1600 1500 1400 1300 Contour interval: 20 m 1200- What is the difference in elevation in meters between Point X and Point Y on the map?
The difference in elevation in meters between the points X and Y is 360.
Explanation:
On the presented map we can see that the relief is depicted with contour lines. The contour lines are marked with their elevations, or rather the main contour lines are, every fifth one. We also have the contour interval, which is 20 meters, thus giving us the basis so that we can find the difference in elevation between any points on the map.
What we know for sure from the map is:
the elevation is increasing from southeast toward northwestthe difference in elevation between the contour lines is 20 mthe difference in elevation between the main contour lines is 100 mPoint X is marked on the contour line of 1,600 m. Point Y is marked on the second contour line between the 1,200 m and 1,300 m contour lines, thus:
2 x 20 = 40
So we have 1,240 m. Having the elevations of the two points, we only need to take the lower value from the larger value:
1,600 - 1,240 = 360 m
So we get a result of 360 m of difference in elevation between the points X and Y.
write answers please :/
Answer:
B
Explanation:
Write a description or a reason why you are doing this activities of conserving our natural resources.
1. Using a glass when brushing teeth -
2. Hanging clothes -
3. Walking -
4. Feeding the stray animals -
5. Using back page of paper -
6. Using fan -
7. Watering the plants -
8. Sweeping -
Please Help me (I'll give brainlest) (LIMITED)
Answer:
c. all of the kittens have fur that is similar to the adult
Explanation:
Existing rocks are buried and forced toward the mantle, increasing heat and pressure. This is the first step in the formation of metamorphic rocks.
(PLEASE HELPPPP 90 POINTS!!)
Which best describes the next step in the formation of metamorphic rocks?
Buried rocks melt deep within the mantle.
Lava melts underlying rocks, which crystallize into new minerals.
Rocks that were buried are exposed at Earth’s surface, where they are weathered and eroded.
Magma pockets rise, which increases heat, and minerals change due to temperature and pressure.
A scientist genetically engineered a grain cereal. The genetically engineered variety can produce its own vitamins and is drought resistant. What is the likely impact of growing such a cereal crop on the society?
May trigger an adverse climate change
May worsen the water crisis around the world
Would be beneficial for the malnourished population
Would increase the shortage of food around the world
PLSSS HELPP I BEG I'LL MAKE BRAINLIEST TO THE CORRECT ANSWER
Answer: I t will be Stationary front .
Explanation: Because rest other are not supporting the condition given in the picture. So , the best option supporting the picture is Stationary Front.
Which of these organisms is not a chordate?
earthworm
snake
sea squirt
human
A bumblebee helps plants reproduce by carrying pollen from a flower on one plant to a flower on another plant. Which reproductive process is this most similar to? Explain your answer.
Answer:
It’s similar to process 2 because it involves two parents, which in this case are flowers.
Explanation:
Question 4 (1 point)
Solar panels that heat water use the Sun's radiant energy to reduce the need for non-renewable energy sources.
-O True
O False
Answer:
The Correct answer is TRUE
Which two characteristics do organisms in kingdoms Plantae and Animalia
have in common?
O A. They are multicellular.
B. They have eukaryotic cells.
C. They are photosynthetic.
O D. They have prokaryotic cells.
SUBMIT
Answer:
B: they have eukaryotic cells. & A: they are multicellular.
Explanation:
The characteristics shared by plants and animals include A. They are multicellular and B. They have eukaryotic cells.
Eukaryotes organisms are organisms whose cells have a nucleus and membrane-bound organelles; whereas prokaryotic organisms are unicellular organisms that do not have membrane-bound structures and/or organelles
Eukaryotic organisms include animals (kingdom Animalia), plants (kingdom Plantae), fungi (kingdom Fungi), and protists (Kingdom Protista).
Multicellular organisms are organisms composed of two or more cells. Multicellular organisms include plants, animals and fungi.
Photosynthetic organisms are organisms that make their own food from sunlight (e.g., plants).
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i need help with this please help me!!!!!
THERE ARE MULTIPLE ANSWERS Which of the following systems use the cardiovascular system for the transport of materials? excretory system digestive system endocrine system respiratory system immune system
put them in order pleaseeeee