BIOLOGY HIGH SCHOOL

What distinguishes the immature stage from the mature stage of a grasshopper?a. size
b. having an exoskeleton
c. building a cocoon
d. providing for themselves

Answers

Answer 1
Answer: The right answer is A. size. An immature grasshopper is called a nymph. When it first emerged from an egg, it already resembles an adult grasshopper but is considerably smaller; they also lack wings and reproductive parts. The nymph will gradually increase in size as it grows older. After molting (shedding of exoskeleton) five times, the nymph is considered an adult grasshopper.
Answer 2
Answer:

Answer:

a

Explanation:

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Which of the following can occur because of the exchange of homologous chromosome parts during the process of meiosis?

Answers

The exchange of homologous chromosome parts during the process of meiosis can lead to offspring with unique combinations of traits. So the answer is (C).

What is this process?

The exchange of homologous chromosome parts during the process of meiosis can lead to offspring with unique combinations of traits because the exchange of genetic material can create new combinations of genes on the chromosomes.

During meiosis, homologous chromosomes pair up and exchange genetic material. This process is called crossing over. Crossing over can occur at any point along the length of the chromosome. When crossing over occurs, it creates new combinations of genes on the chromosomes.

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Complete question:

Which of the following is a result of the exchange of homologous chromosome parts during the process of meiosis?

A. random mutations

B. decreased gamete number

C. offspring with unique combinations of traits

D. decreased number of alleles on each chromosome

Answer:

Muttation can occur during the exchange of genetic meterial from homologous chromosomes which may led to cause deseases in some cases.

Explanation:

Except for identical twins, all the other human beings are genetically distinct from each other. Why is this true?

Answers

It's because of sexual reproduction,
this causes everyone to get unique DNA patterns, (except for twins,which from by one fertilised egg splitting into 2). 50% from mum 50%from dad
When ever the sex cells go through reproduction,  our 46 cells come together to make about .01% of us, in that is everything about us, eye color, skin color, hair color, emotions. So really we all are barely different.

Which disturbance would result in primary succession? A. harvesting wheat by using a combine harvester at the end of the growing season B. controlled burning to stimulate the growth of forest trees such as sequoia C. the formation of Surtsey, a volcanic island off of the southern coast of Iceland D. the effect of a large herd of elephants on the grasses and shrubs in an area

Answers

The formation of Surtsey, a volcanic island off of the southern coast of Ireland. By definition, primary succession refers to when the structure of an ecosystem changes drastically in such a way that it can no longer support organisms. In this case of ecological succession, the formation of the volcanic island creates a new habitat that is unpredicted and is not influenced by any existing ecosystems.

Human movement involves the complex interplay of many body systems. true or false

Answers

The given statement, "Human movement involves the complex interplay of many body systems." is true. Human movement is a complex process that requires the coordination and interaction of multiple body systems. These body systems include the muscular system, skeletal system, nervous system, and cardiovascular system, among others.

The muscular system plays a vital role in movement by generating force and facilitating the contraction and relaxation of muscles. Muscles work in pairs, with one muscle contracting while the opposing muscle relaxes, allowing for controlled movement. This interplay of muscles is necessary for various movements, such as walking, running, and lifting objects.

The skeletal system provides structural support and serves as the framework for movement. It consists of bones, joints, and connective tissues. Bones act as levers, while joints allow for flexibility and facilitate different types of movement, such as bending, rotating, and extending.

The nervous system is responsible for controlling and coordinating movement. It receives and processes sensory information, sends signals to muscles to initiate movement, and regulates the speed and force of muscle contractions. The brain and spinal cord are integral components of the nervous system, playing a crucial role in coordinating complex movements.

The cardiovascular system, composed of the heart, blood vessels, and blood, transports oxygen and nutrients to the muscles involved in movement. It also carries away waste products, such as carbon dioxide, generated during muscular activity. Adequate blood flow and oxygen supply are essential for optimal movement and performance.

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true because even just typing on a keyboard requires your brain to send the right signals to each individual muscle in your shoulders upper arms forearms and fingers so that you can type

hope this helps if not just let me know

Rock is a type of Earth material. Most rock is made up of _______.

Answers

Answer:

Rock is a type of Earth material. Most rock is made up of minerals.

Hope this helps you

Which gas would the leaf disks produce if they were carrying out the light-dependentreaction? What would this cause them to do?

Answers

Answer: In respiration, glucose is broken down to produce energy that can be used by the cell, a reaction that uses O 2 and produces CO 2 as a byproduct.

Explanation:
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