Which explanation is best supported by the numbers in the chart?Lion and cheetah populations compete for the food source of zebras, and lions outcompete cheetahs.

The dwindling zebra population has led to the decline of the predator lion and cheetah populations.

Overhunting of lion and cheetah populations has led to a decline in the food source population.

Lion and cheetah populations compete for the food source of zebras, and cheetahs outcompete lions.

Answers

Answer 1

Answer:

Answer:

The dwindling zebra population has led to the decline of the predator lion and cheetah populations.

Explanation:

The decrease in zebra population also decreases the population of the predator lion and cheetah because both predators depends on zebra for their survival. Both predators used zebra as a source of food for their growth and survival so if there is high availability of zebra so the population of Lions and cheetah also increases while on the other hand, if there is decrease in zebra population, the population of lion and cheetah also decreases because of less available food for them.

Answer 2

Answer:

Answer:

B) The dwindling zebra population has led to the decline of the predator lion and cheetah populations.

Explanation:

2021 edge :)

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Which of the following is NOT a valid scientific method used by modern scientists to date fossils?A Use of index fossils
B Relative position of fossils in rock strata
C Analysis of nitrogen-14 isotopes
D Analysis of Uranium-238 isotopes

Answers

A Use of index fossils

Fossil records are described as the position of found fossils all through the surface or the layers of the earth. The older the fossils are, the deeper it is found. Fossil records are also considered to be gathered information about the total number of the discovered fossils and the data obtained from them. Fossil records are important guides to determine how life existed before. If you are to assemble a fossil, you will be able to see and tell the evolutionary changes that happened over the past years. Fossil records are evidences pointing out that life before is totally different from now.

Biological classification how are organisms grouped sorted and classified

Answers

Biological classification is the process by which organisms are grouped, sorted, and classified based on their similarities and differences. Organisms are grouped into categories called taxa, which follow a hierarchical system. The major steps involved in biological classification are:

1. Observe and compare organisms: Scientists study various organisms and their characteristics, including physical appearance, behavior, and molecular makeup.

2. Identify shared characteristics: By comparing organisms, scientists identify common traits and features that can be used to group them together.

3. Create taxonomic groups: Based on these shared characteristics, organisms are grouped into hierarchical categories, such as kingdom, phylum, class, order, family, genus, and species.

4. Assign scientific names: Each group and individual organism is given a unique scientific name, usually following the binomial nomenclature system, where the genus and species are used to identify an organism.

5. Continuously revise and update classifications: As new information and discoveries are made, scientists may need to reevaluate and revise the classification system to ensure accuracy and reflect the relationships among organisms.

Overall, biological classification helps scientists to better understand and organize the vast diversity of life on Earth, making it easier to study and conserve species and ecosystems.

To know more about biological classification : brainly.com/question/24376211

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motor proteins are responsible for moving vesicles and organelles within the cell. motor proteins move along protein "tracks." in the example shown in the visualizing figure, what are those tracks made of?

Answers

Answer:

actin

Explanation:

Fruit flies are eukaryotic organisms. Describe how the genetic material of a fruit fly is stored in its cells.

Answers

The genetic material of a fruit fly, like all eukaryotic organisms, is stored in the cell nucleus. Here's how it is organized:

1. **Nucleus:** The nucleus is a membrane-bound organelle within the cell where the genetic material is located. It is surrounded by a nuclear envelope, which consists of two membranes, and has pores that control the passage of molecules in and out.

2. **Chromosomes:** Inside the nucleus, the genetic material is organized into structures called chromosomes. In fruit flies (Drosophila melanogaster), they typically have four pairs of chromosomes, totaling eight chromosomes. These chromosomes contain the DNA molecules that carry the genes.

3. **DNA:** DNA (deoxyribonucleic acid) is the molecule that makes up the genetic material. It has a double-helix structure and consists of nucleotide units. Genes, which are specific sequences of DNA, encode the instructions for building and maintaining the organism.

4. **Histones:** DNA in the nucleus is wrapped around proteins called histones. This complex of DNA and histones is called chromatin. Histones help in packaging and organizing the long DNA strands within the limited space of the nucleus.

5. **Nucleolus:** Within the nucleus, there is a region called the nucleolus where ribosomal RNA (rRNA) is synthesized and ribosome assembly begins. Ribosomes are essential for protein synthesis.

6. **Mitochondria and Chloroplasts:** While most of the genetic material is in the nucleus, eukaryotic cells also have DNA in other organelles. Mitochondria (in animal cells) and chloroplasts (in plant cells) have their own small genomes, a remnant from their evolutionary origins as independent organisms.

In summary, the genetic material of a fruit fly is stored in the form of DNA, organized into chromosomes within the nucleus of its eukaryotic cells. This DNA contains the instructions for the fly's development, growth, and functioning.

The first step of starch digestion is performed by ________.

Answers

Food chewed by teeth breaks into small pieces, and is mixed with saliva during chewing.

In a year, a population of lions had four births, two deaths from disease, one natural death, five emigrations, and five immigrations. In the same year, a population of zebras had five births, three deaths, four emigrations, and one immigration. Which best explains the data?

Answers

The statement, which best explain the data is this: THE ZEBRAS HAVE A LOWER POPULATION GROWTH RATE THAN THE LIONS.

From the data given in the question, the population growth rate for lions and zebra can be calculated. The formula for calculating population growth rate is: Population growth rate = [Number of birth - Number of death] + [Number of immigration + Number of emigration]

For lions, we have: Population growth rate = [4 - 3] + [5 - 5] = 1 + 0 = + 1

For zebras, we have: Population growth = [5 - 3] + [1 - 4] = 2 + [-3] = 2 - 3 = - 1.

From the calculation above we can see that, the lions have a higher population growth rate than the zebras.

Answer:

Zebras have a lower population

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