1. An organism's particular role in its habitat, or when and how it survives, is called its
A. Food Chain
B. Ecosystem
C. Competition
D. Niche***
2. Which of the following is an example of a predator adaption?
A. A lion's pheromones
B. A shark powerful jaws***
C. A bears hibernation behavior
D. A cardinal's bright red feathers
3. A hawk building its nest on an arm of a saguaro cactus is an example of
Commensalism***
Mutualism
Parasitism
Predation
4. Which is an example of parasitism?
a tick on a dog***
a plant growing on a tree
a bird eating insects off a deer
a wolf hunting a deer
5. Which relationship benefits two organisms?
Commensalism
Parasitism
Mutualism
Host
6. Which of the following describes all animals?
All animals have backbones.
All animals are multicellular.
All animals control their own body temperature.
All animals are vertebrates.
7. Which of the following is a characteristic of animals with bilateral symmetry?
They have a distinct head end.***
They have no definite shape.
They can move in only one direction.
They all live in the water.
8. Why does a male bird displays his colorful feathers?
To increase the success rate of asexual reproduction.
To increase the gestation period.
To release gametes into his surroundings.
To attract a mate***
9. Which of the following is an advantage of internal fertilization?
Gametes are released into the surroundings.
Gametes may get washed away.
The developing zygote is protected.
Large numbers of eggs may be fertilized at one time.
10. Which of the following is a benefit of cooperative behaviors in a society?
Shows dominance to other animals.
Protects itself against predators.
Is threatening to other animals.
Increases survival of offspring.
Thank you!
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1. The correct answer is D. Niche. An organism's niche refers to its specific role or position within its habitat, including factors like what it eats, where it lives, and how it interacts with other organisms.
2. The correct answer is B. A shark powerful jaws. Predator adaptations are traits or characteristics that help predators catch and kill their prey. In the case of a shark, its powerful jaws allow it to effectively capture and consume its prey.
3. The correct answer is Commensalism. Commensalism is a type of symbiotic relationship where one organism benefits while the other is neither harmed nor helped. In this example, the hawk benefits from having a stable nest location on the cactus arm, while the cactus is unaffected.
4. The correct answer is A. A tick on a dog. Parasitism is a type of symbiotic relationship where one organism (the parasite) benefits at the expense of the other organism (the host). In this example, the tick benefits by feeding on the dog's blood, while the dog is harmed.
5. The correct answer is Mutualism. Mutualism is a type of symbiotic relationship where both organisms benefit from the interaction. Examples include pollination, where a bee benefits from nectar while a flower benefits from pollination.
6. The correct answer is All animals are multicellular. This is a characteristic shared by all animals. While some animals do have backbones (vertebrates), not all animals do. Additionally, not all animals control their own body temperature, as some are ectothermic (relying on external heat sources) and others are endothermic (generating their own body heat).
7. The correct answer is They have a distinct head end. Animals with bilateral symmetry have a body plan that can be divided into two similar halves along one vertical plane, resulting in a distinct head end and tail end. This symmetry allows for more efficient movement and coordination.
8. The correct answer is To attract a mate. Male birds often display colorful feathers as a way to attract females during the mating season. This is a form of sexual selection, where traits that increase an organism's chances of mating and reproducing are favored.
9. The correct answer is The developing zygote is protected. Internal fertilization, where fertilization occurs inside the female's body, provides protection for the developing zygote. This is because internal fertilization reduces the risks of gametes getting washed away or being exposed to external threats.
10. The correct answer is Increases survival of offspring. Cooperative behaviors in a society, such as working together to find food or defend against predators, can increase the survival of offspring. By cooperating, individuals can maximize their chances of survival and reproductive success, ultimately benefiting the entire group.
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SINEC KADEN DOSENT LIKE PEOPLE GETTING GOOD GRADES I DO HERE ARE THE ANSWWERS YOU CAN TRUST ME 100 %
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B
A
A
C
B
A
D
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B
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