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Romashka-Z-Leto [24]
2 years ago
8

for a behavior to evolve under the influence of natural selection, that behavior must be a. directed by genes. b. neither adapti

ve nor harmful. c. acquired through learning. d. related to predator avoidance.
Biology
2 answers:
vazorg [7]2 years ago
6 0
A. Directed by genes
Lera25 [3.4K]2 years ago
5 0

Answer:

(a). directed by genes.

Explanation:

Natural selection can be defined as a process, by which organisms having favorable traits have more chance to survive and reproduce. Due to this, organisms with traits, which are adaptive for a given environment increase with each generation.

Organisms having favorable genes for a trait or behavior will have more chance to survive and pass these genes to next generations. Over time, natural selection will allow the organisms with favorable genes to adapt to their surrounding environment. Hence, for a behavior or trait to evolve under the influence of natural selection, the trait should be directed by genes.

Thus, the correct answer is option (a).

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Imagine that part of a population of South American finches is blown by a storm onto an island far offshore and manages to survi
lina2011 [118]

Answer: The observation "A" leads us to conclude that the finches populations are from two different species

Explanation:

According to the biological concept of species, <em>a set of individuals are from the same species if they are able to reproduce and leave fertile offspring</em>. This is key so one species can be successful and perpetuate through time. If they cannot leave descendants, then the species will be extinct. However, it’s possible that two individuals from different species mate and have descendants, but they cannot leave fertile offspring. When they are from different species, the offspring will be sterile and it is called a hybrid.  

In the case of the South American finch, the island's finch population and mainland's finch population belong to different species because their offspring is sterile. To have different features, as different feather's color, or to have other dietary preference is not enough to say that they are different species. This is because within the same species, individuals can have variations. For example, we can different eye color and belong to the same species.

6 0
2 years ago
Can someone please tell me a simple definition of genetic information.
lianna [129]
Of or relating to genes or heredity.
"all the cells in the body contain the same genetic information"
3 0
3 years ago
Which of the following statements about transition metals is true?
Zielflug [23.3K]
The answer is the second choice
3 0
2 years ago
You should suspect a kidney injury anytime the patient presents with
lions [1.4K]
A hematoma in the flank locale. A hematoma is a confined accumulation of blood outside the veins, due to either malady or injury including damage or surgery and may include blood proceeding to leak from broken vessels. A hematoma is at first in fluid shape spread among the tissues incorporating into sacs between tissues where it might coagulate and harden before blood is reabsorbed into veins. An ecchymosis is a hematoma of the skin bigger than 10mm.
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Some algae demonstrate the phenomenon of alternation of generations, in which a multicellular, diploid, spore-producing organism
Leto [7]

Answer:

Option c. Only the haploid organism may also reproduce asexually.

Explanation:

It is scientifically approved that algae and fungi are able to form true asexual spores. This process of spore formation involves mitosis and resultant spore is called mito-spore which develop into new offspring.

Reference: Smith, B. A., and DANIEL D. Burke. "Evidence for the presence of messenger ribonucleic acid in Allomyces macrogynus mitospores." Journal of bacteriology 138.2 (1979): 535-541.

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