Animals can be classified according to different physical characteristics, such as body covering (e.g., hair, fur, feathers, scales, shells), body shape (e.g., two main features, three main features), appendages (e.g., arms, legs, wings, fins, tails), and method of movement (e.g., walking, crawling, flying, swimming).
Explain how scientists can have multiple theories about the effects of global warming.
Plz make it about 3 sentences
Answer:
1. global warming is caused by excess carbon dioxide
2. it melts glaciers
3. it cause ozone to break
Answer:
ANSWER FROM EDGE 2022 : The global climate is a complex system involving different factors such as temperature, precipitation, pressure, humidity, and wind. The complexity of the system makes it difficult to accurately predict how changes in one region can affect other regions.
NOT COPIED ANSWER: Data collected over years show that the global average temperature is steadily rising. Scientists will be able to develop multiple hypotheses about the effects of global warming in the coming years because of this.
Both choices is correct! First one is from edge second is mine I answered personally.
Explanation:
got it correct ik I'm late but for upcoming students! edge 2022.
(ID Level 18
OC
I start with "e"end with "e".
have whole countries inside
me. What am I?
Answer:
Europe
Explanation:
Explain how homologous structures are used as a source of evidence to infer evolutionary relationships between modern and fossil organisms
Answer:
Homologous structures provide evidence for common ancestry, while analogous structures show that similar selective pressures can produce similar adaptations.
Explanation:
Analogous structures demonstrate that identical selective pressures might result in similar adaptations, whereas homologous structures indicate evidence for shared ancestry.
What are analogous structures?In contrast to homologous structures, analogous structures are characteristics of different species that have evolved in response to a similar environmental challenge and are similar in function but not necessarily in structure.
While comparable structures demonstrate that similar selective pressures can result in similar adaptations, homologous structures suggest that they have a common ancestor (beneficial features).
Therefore, homologous structures provide evidence for common ancestry, while analogous structures show that similar selective pressures can produce similar adaptations.
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Why does crab grass do so well when ordinary grass struggles in late summer? Is this a phenomenon ? Or is this based on a scientific principles, what is it that causes crab grass to thrive in relation to the different type of plants ?
Crab grass does so well when ordinary grass struggles in late summer
because its seed germination is higher when exposed to hotter
temperatures.
The seeds of crab grass are mostly dormant and their germination is
dependent on the soil temperature. During summer, the temperature of the
soil is usually higher which aids its growth .
This therefore explains the reason why crab grass does well than ordinary
grass in late summer periods.
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The liquid part of blood is called ?
Answer:
Plasma
Explanation:
how are plant and animal cells similar in structure
Structurally, plant and animal cells are very similar because they are both eukaryotic cells. They both contain membrane-bound organelles such as the nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, and peroxisomes. Both also contain similar membranes, cytosol, and cytoskeletal elements.
in _________, enzymes cut DNA into fragments, which are separated by size to form a pattern of bands.
a. selective breeding
b. cloning
c. dna fingerprinting
d. protein synthesis
what is the role of the beaver in its ecosystems?
a) it is a foundation species and the main source of food for the natural predators of its ecosystems.
b) it is a keystone species that modifies its natural environment by damming streams to form wetlands
c) it is a dominant species, as it has the greatest number of individuals among all the mammalian species of its ecosystem
d) it is an endangered species as it has the least number of individuals among all the mammalian species of its ecosystem
Answer:
B)
Explanation:
how is the energy in food used in our body
Answer:
The human body uses the energy released by respiration for a wide range of purposes: about 20% of the energy is used for brain metabolism, and much of the rest is used for the basal metabolic requirements of other organs and tissues.
Fertility is the measure of the ability to become __________. What one word completes the sentence
Fertility is the measure of the ability to become a parent.
FERTILITY:Fertility is a phenomenon that describes the ability to reproduce or produce offsprings.
Reproduction is one of the characteristics of living things and the ability to successfully execute this characteristics is termed fertility.
The opposite of fertility is sterility, which means the inability to produce offspring or reproduce.
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In three to five sentences, describe the advantages and disadvantages of these maps in modeling mitosis.
ii am confused blease elaborate
so sorry
What types of information can scientists learn from fossils?
Answer:
Types of information scientists learn from fossils is what it was like back then before we existed, these fossils also tells us our history and we might learn from the history and prevent any disaster that killed that animal or plant from happening to us
Explanation:
Hope this helps!
Complete the equation for photosynthesis.
+ water
+ oxygen
In light-dependent reactions, light energy is absorbed and converted into chemical energy in the form of
.
Answer:
ATP
I hope this helped...,..........
somatic cells can also be called
Answer:
They are also called vegatal cells.
Explanation:
Soma- in Latin, means (Body),
So, Somatic cell .. means a Body cell,
Generally, our body contains 2 types of cells according to number of chromosomes :
1- Somatic cells : - almost all body cells are somatic cells
- contain 46 chromosomes (diploid)
2- Germ cells : - only sperms in male & Eggs in female, are germ cells
- they contain 23 chromosomes (haploid)
- they are supposed to unite together (Egg & sperm) to form a diploid cell (23+23=46) ...that will eventually grow into a baby.
What is the cell called that results from fertilization
A zygote
B egg
C sperm
D diploid
PLZ HURRY
Answer:
A
Explanation:
The result of fertilization is a cell (zygote) capable of undergoing cell division to form a new individual. The fusion of two gametes initiates several reactions in the egg.
a cell makes and secretes a certain protein. explain where it is made, how it is secreted from the cell and what kind of transport is used
. . . . . . .. . . . .. . . . . . . . . . . . . .. ..
Hope this helps
What did people previously believe about the movements of Sun and Earth?
Answer:
They thought of the geocentric theory, or that the earth was the center of the universe
Explanation:
How many variables can a scientist change during a scientific investigation?
Answer:
Three
Explanation:
Shown below are 4 stages (A,B,C,D) (not in sequence) of a certain kind of cell division.
The diagram below shows a cell undergoing mitosis (cell division). The correct order of the stages is B, C, D and A.
Mitosis is a type of cell division in which a parental cell divides to produce two genetically identical daughter cells.
In this case, an animal cell is undergone mitosis because the cell exhibits centrioles (only found in animal cells) and lacks cell walls (only present in plant cells).
The stages of mitosis include prophase, prometaphase, metaphase, anaphase, and telophase.
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Explain why some parts of a plant can act as both a source and a sink.
Answer:
Some organs are both a source and sink. Leaves are sinks when growing and sources when photosynthesizing. Rhizomes are sinks when growing but become sources in the spring when they provide energy for new growth.
hope this helps ☆☆☆
The leaves and rhizomes of the plant are found to act both as a source and a sink when growing and when they perform photosynthesis.
What are source and sink in plant?
Source organs are the organs which provide a net uptake of resources while sink organs are the organs which have a net drawdown of resources in the plant. Molecular mechanisms which are responsible for the regulation of the relationship between the sources and sinks. These molecular mechanisms include both the carbon and nitrogen-containing metabolites, plant hormones and genes.
Some organs in the plant are found to act both as a source and a sink. Leaves of the plant are sinks when growing and as source when photosynthesizing in the presence of sunlight during daytime. Rhizomes are the sinks when growing however they become sources in the spring season when they provide energy for the new growth.
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MULTIPLE CHOICE QUESTION
Which statement best describes the
location of Australia?:
Southern & Western Hemispheres
Northern & Western Hemispheres
Southern & Eastern Hemispheres
Northern & Eastern Hemisphere. (Please I only have two minutes to answer)?
Answer:
south eastern hemisphere
Explanation:
it's found on easternmost and southernmost side of asia although it's called oceania it's generally south east
100 POINTS PLEEEEEEEEEEEEEEEAAAAAAAAAAASSSSSSSEEE
Answer:
claim: muscles
Evidence: usable energy
Reasoning: your breathing increases
Explanation:
Answer:claim: musclesEvidence: usable energy Reasoning: your breathing increases
Explanation:
Fossil evidence indicates that the first organisms on Earth were single-called prokaryotes. The first eukaryotes are believed to have formed from these prokaryotes. How does the endosymbiotic theory explain the development of the first eukaryotic organisms?.
The study of fossils shows that the eukaryotic cells have been evolved from the prokaryotic cells. The endosymbiotic theory has been used to study the evolution of eukaryotic cells.
The endosymbiotic theory states that:
Endosymbiotic theory is also referred to as the theory of symbiogenesis. The theory explains the evolution of eukaryotic cells from prokaryotic cells. The theory explains the presence of chloroplasts and mitochondria, and how these organelles form the eukaryotic cells. The theory explains the origin of mitochondria in animal cells and chloroplasts in plant cells.
Thus, the endosymbiotic theory defines the development of eukaryotic cells from the prokaryotic cells.
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Which of these describe biodiversity?
Answer:
variation in species living in an ecosystem.
help me pls ASAP it's needed
Answer: C
Explanation: Fossil Fuels are the main cause of climate change
When carbohydrate intake is low, which of the following is most likely to result?
a. Your ur body will starve
b.your body will store more fat
c.your energy will use more energy
d.your body will break down other nutrients for energy
Answer:
d
Explanation:
e.g protein is used in the absence of carbohydrates
26.
Which of the following food chains
shows one way that energy moves
through an ocean ecosystem?
A fish plankton + whale → squid
B squid whale fish plankton
C plankton squid fish whale
D whale fish plankton → squid
Answer:
C
Explanation:
ans is C Wait a minute, I'll be right back.
• What is chlorophyll ?
Explanation:
[tex] ♛\large\tt{answer} [/tex]
A green pigment in leaves which helps to capture the sun's energy
chlorophyll is the green coloured pigment and the most significant among photosynthetic pigments five types of role of error found in higher plants and elegant they are chlorophyll a, b ,c ,d and e are among these chl-a is the universal photosynthetic bacteria role of is also widely distributed in RBI approved and again but absent in some algae chlorophyll a and CHL blue green and yellow green in colour respectively Chlorophyll found and photosynthetic bacteria also they are Bacteria chlorophyll A and B 650 and 600 chlorophyll pigment are soluble in organic solvents
pushing your body to its limits to encourage your body to make physiological changes describes which principle?
#Classify the following animals:
• Blue Whale
Kingdom:
Sub-Kingdom:
Class:
• Penguin
Kingdom:
Sub-Kingdom:
Class:
Answer€~
1)Blue whale
Kingdom=Animalia
Phylum=Chordata
Class=Mammal
2) Penguin
Kingdom=Animalia
Phylum=Chordata
Class=Aves
Hope it's helpful Ty good evening ☺️#urJ.r90'sꔪ~