A scientist wrote a paper titled “Directional Selection in Action” after observing a population of mice for 15 years. The best describes her article is her title is accurate because one extreme is favored.
A scientific research is research on a specific topic to collect the proofs and information that can be used in a scientific advancement.
The options attached here:
Thus, the correct option is 2. her title is accurate because one extreme is favored.
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it is accurate as a result of one extreme condition being favored in this scenario.
This is defined as a piece of writing about a particular subjecttopic or discussion.
We were told the scientist observed and wrote it after examinations which favored the change in diet of the mice which makes it accurate.
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B. the series of predictable events that an
ecosystem goes through
C. the stages of evolution on any given
population
a. the events in the life cycle of a forset
Explanation:Ecological succession is the gradual process by which ecosystems change and develop over time.
Answer:
The correct option is C. Growing farm crops in greenhouses instead of on land previously home to teak trees.
Explanation:
Teak is known to be the finest quality wood and is expensive. Naturally, it can take 40 years for a tree to produce the teak wood.
As it is the finest quality wood, scientists should try their best to replant the Teak trees.
Growing farm crops in greenhouses is an expensive method and also, it is not a reliable solution to the problem mentioned in the question. Hence, Option C is the answer.
Rest all options can increase the productivity of teak.
Answer:
C) growing farm crops in greenhouses instead of on land previously home to teak trees.
Explanation:
USATestprep said so
Answer: A
Explanation:
A agrees with the original statement, so if Fred cannot swim it must be absolutely true that he is not one of Kay's brothers. Dave being able to swim would support that he is one of Kay's brothers, not refute it. Walt being able to swim does not automatically mean he is related to Kay, so that is not necessarily true. Pete being unable to swim also refutes the original statement. Mark not being Kay's brother has no correlation to his swimming ability.
Phospholipids form a bilayer in water because of the shape and amphipathic nature of the lipid molecules
Phospholipids are a class of lipids, it are a major component of all cell membranes. Phospholipids are the shape and amphipathic nature of the lipid molecules that cause them to form bilayers spontaneously in aqueous environments. The most abundant membrane lipids are the phospholipids.
Phospholipids form a bilayer in water because of the shape and amphipathic nature of the lipid molecules. Phospholipids shape are cylindrical and the phospholipid molecules spontaneously form bilayers in aqueous environments. All of the lipid molecules in cell membranes are amphipathic. Amphipatic is the condition where phospholipids have a hydrophilic (water-loving) or polar end and a hydrophobic (water-fearing) or nonpolar end. The structure of the phospholipid molecule consists of two hydrophobic fatty acid "tails" and a hydrophilic "head". Phospholipids arrange themselves into two parallel layers called a phospholipid bilayer. The lipid bilayer or phospholipid bilayer is a thin polar membrane which is made of two layers of lipid molecules. This layer makes up the cell membranes and is critical to the ability of cell's function.
Grade: 9
Subject: biology
Chapter: phospholipids
Keywords: phospholipids
Phospholipids form a bilayer in water due to their amphipathic nature, with hydrophilic heads facing out and hydrophobic tails facing each other. This lipid bilayer acts as a barrier in the plasma membrane, separating materials on either side. Structures such as micelles, liposomes, and lipid-bilayer sheets are formed by phospholipids in water.
Phospholipids form a bilayer in water because of their amphipathic nature. The polar heads of phospholipids are attracted to water molecules, while the nonpolar tails are not. This leads to the arrangement of phospholipids with their hydrophobic tails facing each other and their hydrophilic heads facing out, resulting in the formation of a lipid bilayer.
This bilayer structure is essential for the plasma membrane as it acts as a barrier, separating the water and other materials on one side of the membrane from the water and other materials on the other side.
Examples of structures formed by phospholipids in water are micelles, liposomes, and lipid-bilayer sheets, which are the structural basis for cell membranes and various subcellular components.
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Answer:
Eels are just elongated fish. Their ancestors looked like tarpon fish. Their fins were a disadvantage in tight spaces, streamlined creatures literally filled a niche. They are more related to the salmon than the pythons.
There is fossil evidence to suggest that pythons and all the other snakes may have evolved from burrowing lizards, such as the varanids. Which are more related to the geckos than to fish.
Explanation:
The confusion can be made because eeil genus name-Anguilla, comes from anguis, which on Latin means serpent.
Pythons' vestigial leg structures and snakes' similar DNA sequences with geckos both point to a common ancestor and evolution over time. These observations support the theory of evolution, demonstrating that while some traits may be lost over time, like legs in snakes, others are retained.
Vestigial structures and DNA sequences are two types of evidence that evolutionists use to support the theory of evolution. In this case, pythons have been observed to have vestigial leg bones which implies that their ancestors might have had functional legs. On the other hand, the fact that snakes have more DNA sequences in common with four-legged geckos than with legless eels could also be interpreted as evidence of a common ancestor.
Snakes and geckos, despite their very different appearances, both belong to the clade Squamata, which also includes lizards. Their DNA sequences suggest that these creatures have shared ancestry, supporting the evolutionary theory. Similarly, the vestigial structures in pythons further back up this view. Vestigial structures are remnants from an organism's ancestry. The leg bones in pythons could well be residual parts left over from their legged ancestors, as snakes are believed to have descended from lizards.
In a nutshell, both these observations tell us the same story: that current species have evolved from common ancestors in the past. Over time, some traits (like legs in the case of snakes) might have become useless and got eliminated through natural selection, while others were retained. The end result is the rich biodiversity we see around us today.
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