Answer:
1 Answer
Temperature. The body must maintain a relatively constant temperature. ...
Glucose. The body must regulate glucose levels to stay healthy. ...
Toxins. Toxins in the blood can disrupt the body's homeostasis. ...
Blood Pressure. The body must maintain healthy levels of blood pressure. ...
pH.
2 Answer
An external stimulus is a stimulus that comes from outside an organism and causes a reaction. An internal stimulus is a stimulus that comes from inside an organism. You may have experienced an internal stimulus of hunger after a long day at school, and this prompts you to eat some food in order to regain needed energy.
3 Answer
Homeostasis is the tendency to resist change in order to maintain a stable, relatively constant internal environment.
Homeostasis typically involves negative feedback loops that counteract changes of various properties from their target values, known as set points.
In contrast to negative feedback loops, positive feedback loops amplify their initiating stimuli, in other words, they move the system away from its starting state.
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Alicia volunteered to become an organ and tissue donor when she got her state ID. If Alicia dies, she can help to improve others’ lives. Her heart tissue, skin, bones, and veins can all be transplanted into a patient in need.
Choose the words that correctly complete the sentences.
A group of similar
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make up a tissue. Several tissues make up an
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.
Answer:
A group of similar cells make up a tissue. Several tissues make up an organ.
Explanation:
Answer:
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Explanation:
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who allows the movement of bone
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A siren and a newt are classified in the salamander family. What characteristics may have been used to group them?
Answer:
Long slender bodies, blunt snouts, and a tail.
Explanation:
A salamander is classified as an amphibian with lizard-like appearances, long body, slender body, blunt snouts, short protruding limbs, and a tail present in adults and tadpoles.
Newts have slender bodies, blunt snouts, and a tail.
Sirens have long bodies, blunt snouts, and a tail.
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What parts of the body usually do not contain “helpful” bacteria?
Answer:
circulatory system
Explanation:
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Think of another science topic you have studied earlier. How does that topic connect to what we have learned about populations and resources? Be creative! Consider how something else you have studied in science might be affected by the resources available. Perhaps you have studied another topic where stability and change is important?
One science topic I have studied earlier is ecology, which studies the relationships between organisms and their environment.
What is ecology?Ecology is closely connected to populations and resources as the availability of resources can impact the growth and survival of populations. For example, the availability of food, water, and shelter can affect the size and distribution of populations, while the use of resources can impact the environment and other species.
Ecology also emphasizes the importance of stability and change in ecosystems, as changes in one population or resource can have cascading effects on other parts of the ecosystem. Overall, the study of ecology provides insights into how populations interact with their environment and the importance of resource management for maintaining healthy ecosystems.
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