What's the difference between the selective pressures of natural and artificial selection?
Natural selection is the process by which organisms that are better adapted to their environment are more likely to survive and reproduce, passing on their advantageous traits to their offspring. Selective pressures in natural selection are typically things like competition for resources, predation, disease, and environmental factors such as climate change.
Artificial selection, on the other hand, is the deliberate breeding of organisms to produce desired traits. Selective pressures in artificial selection are controlled by humans, who choose which traits they want to breed for and which organisms they want to mate. Some examples of artificial selection include breeding crops for higher yields, breeding dogs for specific traits such as size or coat color, and breeding livestock for improved meat or milk production.
In general, the main difference between natural and artificial selection is that natural selection is driven by environmental factors and chance, whereas artificial selection is driven by human preferences and goals. Natural selection operates over a much longer time scale than artificial selection, which can produce rapid changes in traits over just a few generations.
Through the process of natural selection, a variation which provides an advantage will become:
1. more common in an individual
2. less common in a population
3. less common in an individual
4. more common in a population
4. more common in a population
Humans can or cannot influence traits in animals.
Humans can influence traits in animals through artificial selection. Through selective breeding, humans can choose which individuals to mate based on desired traits, such as size, coat color, and behavior. Over generations, this can lead to significant changes in the traits of the animal population. Additionally, humans can also influence traits in animals through genetic engineering techniques, such as CRISPR, which enable the direct manipulation of an animal's DNA to add, remove, or modify specific genes and traits.
In the process of natural selection _______ adapt to their environment over time.
1. Populations
2. Ecosystems
3. Individuals
3. Individuals
Use ACE format to explain how a scientist could classify this organism.
It is a green slug-like organism with a pair of antennae.
ACE format is a method of constructing a short written answer that combines the three elements Answer-Cite-Explain. Here's an example of how it could be used to explain how a scientist could classify the described organism:
Answer: The organism is likely to belong to the phylum Mollusca.
Citation: According to the characteristics mentioned in the description, the organism has a slug-like body shape and a pair of antennae. This combination of features is typical of many species in the phylum Mollusca.
Explanation: Molluscs are a diverse group of animals that includes snails, clams, octopuses, and other soft-bodied creatures. They are characterized by a set of key features, including a muscular foot for locomotion, a mantle that helps to protect the body, and a visceral mass that contains the internal organs. The antennae mentioned in the description are likely to be the creature's tentacles, which are used for touch and sensory perception. Based on these traits, it is likely that the organism belongs to the phylum Mollusca. Further classification would require additional information, such as its habitat and feeding behavior.
Fill in the blank.
______ is the broadest/largest group and ________ is a single type of organism.
Blank 1 Options:
1. Kingdom
2. Class
3. Species
4. Domain
Blank 2 Options:
1. Species
2. Class
3. Kingdom
4. Domain