Scientific knowledge is based on all of these except

Answers

Answer 1
Answer: A scientific theory is a well-substantiated explanation of some aspect of the natural world that is acquired through the scientific method and repeatedly tested and confirmed through observation and experimentation. Scientific theories are the most reliable, rigorous, and comprehensive form of scientific knowledge.
Answer 2
Answer:

Answer:I think Is D

Explanation:


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what are the possible phenotypes of the offspring from the cross above of round seeds (R) are completely dominant to wrinkled seeds (r)? what would the possible phenotypes be if round seeds were incompletely dominant to wrinkled seeds

Answers

Assuming that you're talking about two homozygous seeds (RR and rr), 75% of the seeds would be round, and the other 25% would be wrinkled. 

Answer:

what are the answer choices

Explanation:

What’s the difference between cell cycle and mitosis

Answers

There are four phases to the cell cycle: G1, where the cell grows; S phase, where DNA is duplicated; G2, where the cell makes final preparations for cell division; and M phase, where the cell enters mitosis. Mitosis, or cell division, is only a small part of the cell cycle.

Final answer:

The cell cycle is the entire life cycle of a cell until it divides into two daughter cells. It consists of interphase and the mitotic phase. Mitosis, on the other hand, is a component of the cell cycle, taking up less than 10% of the cycle, and comprises the actual process of cell division into two identical cells.

Explanation:

The cell cycle and mitosis are two fundamental aspects of cellular reproduction. The cell cycle is the entire life of a cell from the time of its formation until its division into two daughter cells. It can be divided into two main phases: the interphase and the mitotic phase. Interphase is the phase during which the cell prepares for replication by growing and duplicating its DNA, and the mitotic phase, during which the cell actually divides.

Mitosis, however, is just one part of the cell cycle—it is the process through which a eukaryotic cell separates the chromosomes in its cell nucleus into two identical sets, forming two new nuclei. The process of mitosis is divided into five distinct stages: prophase, prometaphase, metaphase, anaphase and telophase. Week division time, mitosis takes up less than 10% of the cell cycle, while interphase takes up over 90%.

Learn more about Cell Cycle vs Mitosis here:

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What would happen to a cell if its mitochondria were removed?

Answers

Well, the cell would be out of energy! The mitochondria plays a very important role in cell functions. With out it, it cannot do whatever job that needs to be acquired.
If the mitochondria was removed from a cell, the cell would no longer be supplied with energy for the mitochondria supplies ATP throughout each cell.

Which best describes plant classification? Nonvascular plants are grouped into seedless and seeded plants. Seedless plants are grouped into gymnosperms and angiosperms. Gymnosperms are grouped into monocots and dicots. Angiosperms are grouped into monocots and dicots.

Answers

Answer;

Angiosperms are grouped into monocots and dicots.

Explanation;

-Angiosperms are vascular seed plants in which the ovule (egg) is fertilized and develops into a seed in an enclosed hollow ovary. Their ability to flower sets them apart from non-flowering plants, also known as gymnosperms, allowing them a successful means of reproduction.

-Angiosperms can be divided into two categories, Monocotyledons (monocots) and dicotyledons (dicots). This distinction is based on the number of cotyledons, the food storage structures in their seeds. Monocots have one cotyledon while dicots have two.

Answer:

D: Angiosperms are grouped into monocots and dicots.

Hope this helped!

If an individual has the genotype Dd, what alleles can it pass on to its offspring?

Answers

Answer:

Both "D" and "d" allele

Explanation:

As per the principle of segregation proposed by mendel, an allele pair can split in to two during cell division in a way such that it can  give both of its allele (with in an allele pair) to its offspring.

Thus by that logic anyone with a genotype Dd, can segregate its allele pair to pass both "D" and "d" allele to its offspring.

Sam (father) DD homozygous dominant

Sally (mother) dd homozygous recessive

Susan (child) Dd heterozygous


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In a tropical rain forest, insects feed on leaves while frogs eat the insects. At ground level, fungi digest waste material to supply their nutritional needs.In this ecosystem, frogs are


A)
consumers.


B)
decomposers.


C)
parasites.


D)
producers.

Answers

Answer:

Consumers.

Explanation:

Food chain may be defined as the sequential tropic food levels in the ecosystem. The organism eats other organism and itself being eaten by the other organism.

Producers are the organism that prepare their own food in the food chain. The frog eats insect. Here, the frogs acts as the consumer as it depends on the other organism for its food and eats directly plants and butterflies.

Thus, the answer is option (A).

In this ecosystem, frogs are:
A) consumers.