BIOLOGY MIDDLE SCHOOL

Can you pourpse any other explanations for Lamarck's observations about the use and disuse of organs

Answers

Answer 1
Answer:

Yess it is one of the best things in the past but it will take a while to get the door whithout and I love the way y us u


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MIDDLE SCHOOL

What would happen if the cell went through mitosis but not cytokinesis

Answers

The cell would have 2 nuclei but the cytoplasm wouldn't be able to split.
HIGH SCHOOL

Life is organized in a hierarchical fashion. Which of the following sequences correctly lists that hierarchy from least inclusive to the most inclusive?A. cell, molecule, organ system, organ, organelle, population, tissue, organism, ecosystem, communityB. organism, organ system, tissue, population, organ, organelle, community, cell, ecosystem, moleculeC. molecule, organelle, cell, tissue, organ, organ system, organism, population, community, ecosystemD. ecosystem, population, organ system, cell, community, molecule, organ, organism, organelle, tissue

Answers

Answer:

Molecule, organelle, cell, tissue, organ, organ system, organism, population, community, ecosystem.

Explanation:

The classification of the organisms is done on the basis of the similarities and differences shown by the organisms. Carolus Linneaus is known as the father of biological classification.

The hierarchy level of classification includes the organisms from the least to the most inclusive levels. The molecules are the smallest level and these together combine to form organelles. The different constitute together and form cell. Cell combine together to form the tissue and the organization of tissue form organs and different organs combine together to form the organ system. The organism consists of the organ system. The different individuals together form the population and different population constitutes the community and forms the ecosystem.

Thus, the correct answer is option (C).

Answer:

The correct answer is - option C.

Explanation:

As it is known that life is organized in a hierarchical fashion. A complete life is organized from least to most complex from molecules to the complex ecosystem. Molecules are the least inclusive that combined together in a specific manner to form organelle.

Organelle present inside the cell and cell assembled together to made tissues. Tissues are more inclusive to cells but less to organs. The set of organs are work together so they can work together to perform a specific function. Different organ system makes an organism.

Groups of individuals make a population and groups of populations are the components of the community that ultimately comprise an ecosystem.

Thus, the correct answer is - option C.

MIDDLE SCHOOL

16 pts hhhhhhhhhhhhhhhhhhheeeeeeeeeeeeeeeellllllllllllllllllllllllllllpppppppppppppppppp Sort the sentences based on whether the adaptations are characteristics of organisms in the desert or the taiga.

Trees have dark-colored leaves to maximize absorption of sunlight

Plants have structures that conserve water.

Trees have soft, green needles.

Animals have thick fur

Trees have soft, green
needles.

Answers

Answer: Taiga vs Desert

Explanation:

Taiga:

  1. Trees have dark-colored leaves to maximize absorption of sunlight (Since the time available for sun exposure is short)
  2. Animals have thick fur (Taiga is a cold environment, which can have snow most of the time, for which animals develop a thick fur to protect from cold-exposure)

Desert:

  1. Plants have structures that conserve water (For example, deep root systems that let them absorb water, or needles that prevent water loss)
  2. Trees have soft, green needles

The taiga biome is sometimes called a coniferous forest. This is because it is home to many coniferous trees such as pine, spruce, fir, and hemlock.

Taiga biomes are found between 50 and 60 degrees north latitudes. The taiga is the largest land biome on Earth, covering over 15 percent of the Earth's land. A large area of taiga is located in the northernmost forests across Europe, Asia, and North America. The taiga generally has two seasons. The summers are short, moist, and warm. The winters are long, cold, and dry. Most precipitation is in the form of snow, though rain does occur during the summer. Most animals in the tundra hibernate or migrate during the winter. Hawks, bears, foxes, wolves, deer, bats, and chipmunks can be found in the taiga.  

COLLEGE

Suppose a population of flour beetles has 10,000 individuals. There are two alleles possible for the gene that determines body color: red (B), and black (b). BB and Bb beetles are red, while bb individuals are black. Assume the population is at Hardy–Weinberg equilibrium, with equal frequencies of the two alleles. What would be the expected frequency of red beetles?

Answers

Answer:

Explanation:

Given frequency of the two alleles i.e "B" and "b" are equal .

As per Hardy–Weinberg equilibrium, sum of frequency of the two alleles is equal to one.

i.e

Since

and will be equal to 0.5

Frequency of genotype "BB"

Frequency of genotype "bb"

As per second equation of Hardy–Weinberg equilibrium,

Substituting the values of p and q in above equation we get -

Red beetles have genotype BB and Bb

number of red beetles with genotype (BB)

number of red beetles with genotype (BB)

Total red beetles

Frequency of red beetles

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