Which of the following best compares the structures found in plant cells and animal cells? Animal cells contain cell walls and a large central vacuole while plant cells contain cell membranes and many small vacuoles.
In which of the domains would it be easiest to determine the phylogenetic relationships among organisms?
In which of the domains would it be easiest to determine the phylogenetic relationships among organisms? The Eukaryotes are easiest because they tend not to share genetic material with each other except when they are reproducing sexually.
Which statement best explains the change in the male steelhead trout population?
Which statement best explains the change in the male steelhead trout population? Longer males are able to outcompete shorter males for access to females.
Which variables should be held constant during this investigation?
The Controlled Variable These variables must, therefore, be kept constant during the course of the experiment. They are known as the controlled variables.What process do you predict would be most beneficial to species?
Which process do you predict would be most beneficial to a species during a drastic change in environmental conditions? Meiosis; it results in more genetic variation, which would help ensure the species will survive.
What will likely happen to a species that lacks the variation necessary to adapt to a changing environment?
A species that lacks the variation necessary ot adapt to a changing environment is more likely to… become extinct over time. 6.
Which of the following is the most accurate statement comparing cell membranes and cell walls?
Which of the following is the most accurate statement comparing cell membranes and cell walls? Cell walls prevent everything from entering the cell, while cell membranes allow some things to enter. Cell membranes function mostly as selectively permeable gatekeepers while cell walls function mainly as support systems.
Which of the following would be most helpful in protecting the environment and achieving sustainability?
Sometimes, our lifestyles can harm the environment rather than protect it. Which of the following would be most helpful in protecting the environment and achieving sustainability? Using solar power to generate electricity.How do scientists decide how do you organize organisms in a phylogenetic tree?
A phylogenetic tree may be built using morphological (body shape), biochemical, behavioral, or molecular features of species or other groups. In building a tree, we organize species into nested groups based on shared derived traits (traits different from those of the group’s ancestor).
Which of the following best describes the role of water in photosynthesis?Which of the following best describes the role of water in photosynthesis? Water molecules donate electrons to the electron transport chain.
Article first time published onWhich of the following best explains the difference in water potential between certain solutions and the grapes?
Based on Table 1, which of the following best explains the difference in water potential between certain solutions and the grapes? … Grape soda and NaCl have a lower water potential because these two solutions caused the grape to lose water.
Which of the following best explains how the properties of water contribute to this physiological process?
Which of the following best explains how the properties of water contribute to this physiological process? The high heat of vaporization of water allows the body to remove excess heat through a phase change of water from liquid to gas.
Which best describes the important event that occurs in meiosis that contributes to genetic diversity?
During Meiosis, synapsing occurs which allows chromosomes to shuffle various alleles (crossing over); chromosomes assort themselves independently of each other, which allows for more different possible combination of chromosomes.
Which of the following statements best describes how molecules released by the fish?
Which of the following statements best describes how molecules released by the fish become nutrients for the plants? The ammonia molecules released by the fish are converted by the bacteria to nitrates, which are used by the plants to make proteins and nucleic acids.
Which statement explains how consumers depend upon producers for their survival?
Which statement explains how producers are dependent upon consumers for their survival? Consumers produce carbon dioxide for producers to use during photosynthesis.
Can natural selection be predicted?
It is possible to experimentally test evolution by natural selection, since natural selection produces very fast results, and they are highly predictable, but it does not allow to make deterministic predictions.
Which species is more likely to survive changes in the environment?
According to Charles Darwin’s theory of evolution by natural selection, organisms that possess heritable traits that enable them to better adapt to their environment compared with other members of their species will be more likely to survive, reproduce, and pass more of their genes on to the next generation.
How does natural selection negatively impact humans?
In general, negative selection eliminates from the population very harmful changes to proteins that kill or stop reproduction. … The authors also found a correlation between genes predicted to be under negative selection and genes implicated in certain hereditary diseases.
Which of the following clues would tell you whether a cell is prokaryotic or eukaryotic?
The correct option is c. whether or not the cell is partitioned by internal membranes. Internal membranes are one of the characteristic features of eukaryotic cells that distinguish them from prokaryotic cells.
What functions does the cell have in common despite of the differences that reflect their specific functions?
The basic structural and functional unit of living organisms. Although cells have differences that reflect their specific function in the body, what functions do they have in common? Ability to metabolize, to reproduce, to grow ( increase in mass), to respond to a stimulus, and to move.
For what reason do scientists believe that prokaryotic cells are similar to the first organisms on Earth?
Why do many scientists believe that prokaryotes are similar to the first organisms on Earth? Prokaryotes are primitive cells that do not have a nucleus. They also do not have any membrane bound organelles.
What happens when a species adapts to changes in the environment?
Change in an organism’s environment forces the organism to adapt to fit the new environment, eventually causing it to evolve into a new species. … They eventually become different species. Moreover, if there is a change in the environment of one group it does not necessarily occur in the environment of the other.
What happens to a species when environmental change quizlet?
environmental change does NOT cause evolution to occur. a temperature or climate change does not itself force a species to change its inherited characteristics. if this were the case, then all species would be able to adapt to the new environment, and extinction would be a very rare event. … only populations can evolve.
What will happen to a species over time if some of the organisms have an advantage?
Individuals with adaptive traits—traits that give them some advantage—are more likely to survive and reproduce. These individuals then pass the adaptive traits on to their offspring. Over time, these advantageous traits become more common in the population.
How can a phylogenetic tree be used to make predictions?
A phylogenetic tree is a chart that shows the ancestry of any living being. … Knowing this, and keeping in mind that both ancestry and enviromental factors play a key role in a species’ evolution , one can predict evolutionary trends based on each organism’s enviromental needs and genetic capability.
What information would a scientist use to determine an organisms phylogeny?
To build phylogenetic trees, scientists must collect character information that allows them to make evolutionary connections between organisms. Using morphologic and molecular data, scientists work to identify homologous characteristics and genes.
How does a phylogenetic system Organise living organisms?
Most modern systems of classification are based on evolutionary relationships among organisms – that is, on the organisms’ phylogeny. Classification systems based on phylogeny organize species or other groups in ways that reflect our understanding of how they evolved from their common ancestors.
What will likely happen to a species that lacks the variation necessary to adapt to a changing environment?
A species that lacks the variation necessary ot adapt to a changing environment is more likely to… become extinct over time. 6.
What long term effect do you predict the snakes would have on the population dynamics of the ecosystem?
If a snake species were introduced to an ecosystem where it had no natural predators, what long-term effect do you predict the snakes would have on the population dynamics of the ecosystem? They would compete with native snake species for resources, causing a decline in native snake populations and possibly extinction.
Which ecosystem would most likely recover the fastest from a natural disruption?
Based on the information, which ecosystem would most likely recover the fastest from a natural disruption? Ecosystems with more genetic diversity and larger number of different species are more likely to recover from natural disruptions.
What happens to water in photosynthesis?
During photosynthesis, plants take in carbon dioxide (CO2) and water (H2O) from the air and soil. … This transforms the water into oxygen and the carbon dioxide into glucose. The plant then releases the oxygen back into the air, and stores energy within the glucose molecules.
