Answer:
D. 17 years
Explanation:
if you were in 2004 cicadas were around that time. 2004 to get to 2021 is 17 years so its D
hope this helped
What are the three parts of modern cell theory. Choose all that apply.
A.) The cell is the smallest living unit in organisms
B.) All cells come from other pre-existing cells
C.) All living things are made of cells
D.) All organisms are multicellular
Answer:C.) All living things are made of cellsExplanation:
Which is "not" one of the basic characteristics of life?
a. reproduction
b. response
c. digestion
d. air
Answer:
D.Air
The basic characteristics of life is movement, reproduction, sensitivity,growth, response, nutrition.
Which RNA sequence is complementary to the sequence: TCTA
A. AGAT
B. AGAU
C. TCTA
D. ATCT
Answer:
option B is the correct answer
Explanation:
AGAU
Answer:
B
Explanation:
RNA sequences don't have T as apart of there code.
2.
reproduction produces offspring with a mixture of the parent's traits.
a. Sexual
b. Asexual
C. Mixture
d. Budding
Answer:
a. Sexual
Explanation:
How can bacteria survive vaccines?
Answer.
Toxoids are chemically inactivated toxins from bacteria like Clostridium tetani or Corynebacterium diphtheria. The infection with these bacteria itself does not cause the illness, but rather the exotoxins released from the bacteria. Accordingly, vaccination with toxoids leads to an antibody production against the toxins that neutralize the proper toxin protecting the body against a range of important diseases (Marvaud et al., 1998; Collier, 1975).
The cell cycle is important to the growth of organisms. This is because the cell cycle allows an organism to
A. increase its number of cells
B. change its genetic material
C. stop unnecessary functions
D. protect itself from certain cancers
Answer:
A. increase its number of cells
Explanation:
The cell cycle allows multicellular organisms to grow and divide and single-celled organisms to reproduce.
Answer:
A is correct
Explanation:
what particle travels in an electromagnetic wave?
proton
electron
neutron
photon
Answer:
Electrons and protons.
Answer:
I believe it's photon.
Explanation:
The wave-particle theory.
I hope it's right! If not, I tried, so so sorry.
which is best describes a predator animal?
What would happen to dragonflies if bees were taken out of the food chain
Answer:
if bees were taken out of the food chain dragonfly number will be less and effects the ecosystem of dragonflies negatively.
12. The respiratory system includes the lungs, what level of body organization are the lungs
a. Tissue
b. Organ
c. Organ System
d. Cells
list four different cells found in man and give one function of each.
Answer:
Epithelial Cells. These cells are tightly attached to one another.
Nerve Cells. These cells are specialized for communication.
Muscle Cells. These cells are specialized for contraction.
Connective Tissue Cells.
Explanation:
I only could do the important 4 sorry but I hope this helps you sorry if it doesn’t help you
Receptors: A) Specialized chemicals that receive information B) Specialized heart cells that receive information C) Specialized hormones that receive information D) specialized nerve cells that receive information
Answer: Option D.
specialized nerve cells that receive information
Explanation:
Receptors is a protein that is found in target cells and it also bind to a molecule called ligands which can be inorganic substance and the kitchen hand also can bind to leave hand binding sites. These receives chemical signals or information.
Describe the relationship between electromagnetic waves and energy
Answer:
Electric fields and attractive fields collaborate to make more electric fields and more attractive fields. This is the manner by which a dropping run after up and a radio wire beats out a wave front is all headings.
Explanation:
Given a parent genotype of hh, what are the possible gametes that they can produce?
:)
Answer:
For hh, the gametes can only carry h (the recessive allele). For both heterozygous individuals (Hh), the gametes can carry the H (dominant allele) or the h (recessive allele). For Hh, the gametes can carry the H (dominant allele) or the h (recessive allele). For HH, the gametes can only carry H (the dominant allele).
Explanation:
hope it help
27)
Desertification is the process of converting arable forests or grasslands into unusable land that lacks fertile soil and sufficient
moisture. Climate change can contribute to desertification of land across the globe. Each of these is an example of climate change
leading to desertification EXCEPT
A)
Higher temperatures on a global scale lead to higher levels of evaporation
and less moisture in soils.
B)
Higher evaporation can lead to soil salinity levels increasing in certain
areas of the globe.
C)
More frequent droughts in Southern Europe and other areas will reduce the
soil content
D)
Increased temperatures will decrease the growth of plants on a global
scale.
Answer:
jj is good
Explanation:
Why do some plants in the rainforest have bright flowers and grow close to the ground? O to repel any extra rainfall O to get as much sunlight on their leaves as possible O to keep animals and people away from them O to attract birds and insects for pollination
DNA is one example of how genetics is used as evidence of evolution. Explain what this is and how it is used
boilogy ;factors that affect enzymetic activites
Answer:
gggg
Explanation:
how are petrified remians formed
Explanation:
Petrified fossils form when minerals replace the structure of an organism. This process, called permineralization, occurs when groundwater solutions saturate the remains of buried plants or animals. As the water evaporates the minerals remain, eventually filling in the spaces left as the organism slowly decays.
What were the first forms of life to exist on earth?
A. Plants
B. Fish
C. Humans
D. Bacteria
Reset Selection
Answer:
D. Bacteria
Explanation:
Bacteria, bacteria pretty much created everything
When can a solar eclipse occur
Answer: when their is a new moon
Explanation:
Total solar eclipses happen when the Moon completely covers the Sun, and it can only take place when the Moon is near perigee, the point of the Moon's orbit closest to Earth. You can only see a total solar eclipse if you're in the path where the Moon casts its darkest shadow, the umbra.
[tex]regalo \: puntos[/tex]
Answer:
jaja gracias
Explanation:
1. Why does the immune system make memory cells?
2. Plants follow a reproduction pattern called alternate generations. Explain the two processes in alternate generations.
3. Describe the difference between sexual and asexual reproduction. Give at least one example organism for each type.
4. Many of your body’s responses operate off of either negative or positive feedback loops. When you are cold, you shiver. Explain why that happens.
But cells in our immune system can remember old foes just fine, and we've never really been sure exactly how they manage it. A new study has filled in missing details on the steps our body takes to remember pathogens, finally revealing the steps our immune cells take to preserve a reference library of past battles.
Fill in the gap to complete the sentence below. A mineral is an essential nutrient that is needed in ____ amounts.
Answer:
Considerate???
Explanation:
You cant have to many minerals and you cant have to little
In the statement, "A mineral is an essential nutrient that is needed in." the given blank can be filled with "small amount."
A mineral is an inorganic solid that forms in nature and has a distinct chemical makeup and crystalline structure.
The body requires trace amounts of minerals in order to function effectively. They play a role in several body processes, such as blood clotting, nerve health, and bone health.
Calcium, iron, magnesium, potassium, and zinc are a few of the essential minerals for human health. Fruits, vegetables, whole grains, dairy products, and other foods that contain these minerals.
Therefore, "Small amount" can be entered in the given blank.
Learn more about nutrient here;
https://brainly.com/question/32108657
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Need Help ASAP will give brainliest if answer is CORRECT
The Diagram below shows four layers of Earth
In which of these layers does hot material move upwards and cool material sink downwards?
Layer B (Outer Core)
Layer D (Crust)
Layer C (Mantle)
Layer A (Inner Core)
Answer:
Layer C (Mantle)
Hope this helps!!
Answer: Hope this helps
Explanation:
Mrk ME BRAINLIEST PLZZZZZZZZZZZ
Ocean warming is caused by the increase in greenhouse gases in the atmosphere. Which of these are effects of ocean warming? Choose all that apply.
coral bleaching
increasing marine phytoplankton
oxygen depletion
increases to ocean pH
decreasing sea level
increased ocean acidity
Answer:A,C,F
Explanation:
USATestprep
Can someone define gradualism ? ( No big paragraphs just one sentence)
Answer: a policy of gradual reform rather than sudden change or revolution.
Neurons are categorized by the
A
direction in which they carry impulses.
B
amount of metabolic activity that takes place.
C
number of dendrites that branch out.
D
number of impulses that they carry.
Global economic development has led to an increase in the use of fossil fuels
worldwide. Which of the following would be the best solution to this global
economic problem?
A. Encouraging developing countries to participate in global trade
B. Establishing international agreements to prevent overfishing
C. Forming strict regulations on greenhouse gas emissions
D. Creating an international seed bank to protect biodiversity
SUBMIT
Answer: C
Explanation: I think it’s C because there were like strict regulations on greenhpuse gas emissions.
Mention ten example of plants
Answer:
Herbs.
Shrubs.
Trees.
Climbers.
Creepers.
trees, grass, moss, flowers, and weeds,
Explanation: ya
Answer:
Trees
Flowers
Moss
Grasses
Algae
Fern
Reeds
Bamboo
Herbs and
Shrubs
Explanation:
Hope this helps