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rusak2 [61]
3 years ago
15

Some birds have recently modified their migratory behavior. Instead of flying to warmer climates during the winter months, the b

irds are remaining in northern areas where they can consume discarded food that is abundant in landfills. As a result of this change in migratory behavior, many insect populations that the birds normally feed on in the warmer climate areas are now increasing. This is an example of human activity
Biology
1 answer:
Natasha_Volkova [10]3 years ago
6 0

Answer:

The correct answer is "altering the equilibrium of ecosystems".

Explanation:

Ecosystem have a very complex and sometimes intricate equilibrium. Each species in an ecosystem have a role in the food chain, therefore, if humans affect the behavior of one species, undoubtedly, another species will be affected. In this case, insect populations are increasing as a result of birds modifiying they migratory behavior due to the presence of discarded food in the landfills. Most likely the increased insect populations will affect the plants population as well, creating a series of events that alter the equilibrium of the ecosystems.

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Genetic variation helps populations adapt to a changing
timama [110]

Answer:

Please find the explanation below

Explanation:

Sexual reproduction is the kind of reproduction that requires two organisms (male and female) to form an offspring. The male organism produces gametes called SPERM while the female organism produces gametes called EGG. These two gametes come together in a process called FERTILIZATION to produce a zygote, which develops into an offspring.

In sexual reproduction, gametes are produced by organisms involved via a process called MEIOSIS. Meiosis, however, reduces the chromosome number of the gametes by half. However, one process unique to only meiosis and sexual reproduction is called CROSSING OVER.

Crossing over is the process whereby chromosome segments is exchanged between non-sister chromatids of homologous chromosome. This process causes a recombination of chromosomes (alleles) in such a way that the gametes will be genetically different from the parent organisms (genetic variation). According to this question, sexual reproduction leads to more genetic variation than asexual reproduction due to the process of CROSSING OVER that occurs in sexual reproduction.

4 0
3 years ago
some mutations always occur from generation to generation. But most mutations do not persist over time in the gene pool. Which m
Elena-2011 [213]
If an organism has a mutation, that helps it survive, it will breed and this mutation will keep in the gene pool. Out of all listed choices, the only mutation that will help an organism survive is c). The better a rabbit can hide from predators, the longer it will survive and the more will breed
6 0
3 years ago
What is a non living part of the ecosystem
dusya [7]

Answer:

an Abiotic Factor

Explanation:

The non-living components of the environment are known as abiotic factors. Abiotic factors include things such as rocks,water,soil,light,rocks etc...

7 0
2 years ago
In an ecosystem with similar species, we typically find
pishuonlain [190]
A bunch of the same critters. Nah I am just kidding, you will find a lack of resources because if they are all the same animals they will all eat the same thing. I hope this helps you.
8 0
3 years ago
If a woman is homozygous for red hair and her husband is homozygous for brown hair, what is the probability that they will have
boyakko [2]
Well, you failed to mention which one is the recessive trait in this instance. But, let’s say red hair is recessive, denoted by r and brown hair is dominant denoted by R. Mom is rr and dad is RR. All children are going to be Rr and so heterozygous. They will all carry the trait for red hair but will express brown hair themselves, so 0% probability of having a child with red hair from the initial parents
5 0
1 year ago
Read 2 more answers
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