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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:

Thus, the endosymbiotic theory defines the development of eukaryotic cells from the prokaryotic cells.

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Answer:

C

Explanation:

ans is C Wait a minute, I'll be right back.

Answer:

claim: muscles

Evidence: usable energy

Reasoning: your breathing increases

Explanation:

Answer:claim: musclesEvidence: usable energy Reasoning: your breathing increases

Explanation:

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1)Blue whale

Kingdom=Animalia

Phylum=Chordata

Class=Mammal

2) Penguin

Kingdom=Animalia

Phylum=Chordata

Class=Aves

Answer:

Europe

Explanation:

Answer:

variation in species living in an ecosystem.

Answer:

Three

Explanation:

Answer:

B)

Explanation:

Answer:

ATP

I hope this helped...,..........

Answer:

They thought of the geocentric theory, or that the earth was the center of the universe

Explanation:

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.

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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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.

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.

Answer: C

Explanation: Fossil Fuels are the main cause of climate change

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:

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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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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 a parent.

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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Answer:

d

Explanation:

e.g protein is used in the absence of carbohydrates

. . . . . . .. . . . .. . . . . . . . . . . . . .. ..

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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

Answer:

Plasma

Explanation:

Explanation:

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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

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.

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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.

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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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.

ii am confused blease elaborate

so sorry

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.

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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