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Olenka [21]
4 years ago
14

How are 3-D printers useful in studying evolution?

Biology
1 answer:
djyliett [7]4 years ago
7 0
They can use 3d printers to make identical copies of things such as fossils. The reason why that is useful is because REAL fossils are rare. So they can still study the traits and characteristics of the fossils without having to buy a fossil or find one because they are rare and they cost a lot
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A seed, known as "pinhão", is the great evolutionary novelty that is present in Gymnosperms plants. Choose the correct affirmati
Elanso [62]

Hi. Unfortunately, you didn't show the answer options, which makes it impossible for me to answer your question. However, I'm going to give you some general information about seeds that can help you find the right answer. Hope this helps you.

Seeds are structures responsible for plant proliferation. They exist only in gymnosperms and angiosperms and are absent in bryophytes and pteridophytes. All seeds are formed in the ovary of flowers as a result of the plant fertilization process.

All seeds are formed by three structures known as integument, nutrient and embryo. The embryo is what gives rise to another plant, which will grow after the seed is planted and germinates. Nutrients will be responsible for meeting the needs of the new plant during the beginning of its development. The integument, in turn, has the function of protecting the embryo.

3 0
3 years ago
How many chromosomes do whales have
Svetllana [295]

Answer:

i have been researching and i found they have 42 chromosomes. Blue whales have 44 and sperm whales have 46 i was getting different numbers for different whales

Explanation:

Hope i helped!

5 0
3 years ago
How does the size and number of cells depend on the size of the body?
ch4aika [34]

The size of a cell does not increase with the size of a body however; the number of cells are directly proportional to the size of a body. Bigger a body, more cells it contains.

A cell size is limited by a cell’s surface area to volume ratio.

3 0
3 years ago
_______________ factors are all the non-living factors in an ecosystem. Biotic Abiotic Population Community
Iteru [2.4K]
Abiotic because it mean things that are not living won’t live and never have lived
4 0
4 years ago
An agricultural biologist was evaluating two newly developed varieties of wheat as potential crops. In an experiment, seedlings
Rus_ich [418]

Answer:

The definition is listed in the clarification segment below, and according to the present circumstances.

Explanation:

It undergoes different morphological as well as biochemical modifications mostly during germination. Product contains nutrients and even some hydrolases such as energy, carbohydrates. Owing to the availability of phytic compounds, the seed coat seems to be very durable in nature. Hydrolytic enzymes launch their function by consuming oxygen throughout order to remove this hard coating. In several other processes, including the electron transport system as well as the Kreb process, oxygen also becomes necessary.

  • The initial phase of germinating seeds requires anaerobic environments where even the enzymes dehydrogenase can function. The subsequent dehydrogenase enzyme brings the electron throughout the electron transport system from either the base to oxygen.  
  • Unless the oxygen frequency is compared with varieties A and B, it can be seen through the analysis that variety B actually absorbed more oxygen. Oxygen intake rates are also depending upon period.
  • The impact of temperature mostly on absorption of oxygen seems to be present. Shift the supply at low temperatures have a low intake of oxygen, while varieties grown over extreme temperatures use much more oxygen. The metabolism of such a seedling is influenced by temperature. Metabolically active young plants display a larger intake of oxygen.
8 0
3 years ago
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