Question

1. A juvenile specimen of a terrestrial animal is discovered with the following features: an exoskeleton, 1 pair of antennae, tracheal system for gas exchange, and mandibles. A knowledgeable scientist would predict that the adult form would also need to have a. eight legs b. a venom injecting system c. a cuticle d. six legs e. proglottids 2. Hemotoxic venom targets and destroys a. Nerves b. Muscles c. Blood and vessels d. Hemotoxic venom does not destroy cells, it only blocks neurotransmitter release 3. Which statement regarding molting is correct? a. is the process by which arthropods exit an old exoskeleton and form a larger one b. always occurs without any problem c. allows planarians to re-grow after they have been cut in half d. it occurs in arthropods as well as in clams & oysters e. all of the above statements are correct 4. Starfish, Sea Urchins, and Sea Cucumbers fall under which taxonomic category? a. Class Arachnida b. Class Crustacea c. Class Chilopoda d. Class Insecta e. None of the above

          1. A juvenile specimen of a terrestrial animal is discovered with the following features: an exoskeleton, 1 pair of antennae, tracheal system for gas exchange, and mandibles. A knowledgeable scientist would predict that the adult form would also need to have
a. eight legs
b. a venom injecting system
c. a cuticle
d. six legs
e. proglottids

2. Hemotoxic venom targets and destroys
a. Nerves
b. Muscles
c. Blood and vessels
d. Hemotoxic venom does not destroy cells, it only blocks neurotransmitter release

3. Which statement regarding molting is correct?
a. is the process by which arthropods exit an old exoskeleton and form a larger one
b. always occurs without any problem
c. allows planarians to re-grow after they have been cut in half
d. it occurs in arthropods as well as in clams & oysters
e. all of the above statements are correct

4. Starfish, Sea Urchins, and Sea Cucumbers fall under which taxonomic category?
a. Class Arachnida
b. Class Crustacea
c. Class Chilopoda
d. Class Insecta
e. None of the above

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1. A juvenile specimen of a terrestrial animal is discovered with the following features: an exoskeleton, 1 pair of antennae, tracheal system for gas exchange, and mandibles. A knowledgeable scientist would predict that the adult form would also need to have
a. eight legs
b. a venom injecting system
c. a cuticle
d. six legs
e. proglottids

2. Hemotoxic venom targets and destroys
a. Nerves
b. Muscles
c. Blood and vessels
d. Hemotoxic venom does not destroy cells, it only blocks neurotransmitter release

3. Which statement regarding molting is correct?
a. is the process by which arthropods exit an old exoskeleton and form a larger one
b. always occurs without any problem
c. allows planarians to re-grow after they have been cut in half
d. it occurs in arthropods as well as in clams oysters
e. all of the above statements are correct

4. Starfish, Sea Urchins, and Sea Cucumbers fall under which taxonomic category?
a. Class Arachnida
b. Class Crustacea
c. Class Chilopoda
d. Class Insecta
e. None of the above

Added by Jennifer W.

Biology for AP Courses

Julianne Zedalis, John Eggebrecht

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Solved by Expert Sri K

12/08/2022

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It is a terrestrial animal. Show more…

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A juvenile specimen of a terrestrial animal is discovered with the following features: an exoskeleton, 1 pair of antennae, tracheal system for gas exchange, and mandibles. A knowledgeable scientist would predict that the adult form would also need to have a. eight legs b. a venom injecting system c. a cuticle d. six legs e. proglottids 2. Hemotoxic venom targets and destroys a. Nerves b. Muscles c. Blood and vessels d. Hemotoxic venom does not destroy cells, it only blocks neurotransmitter release 3. Which statement regarding molting is correct? a. is the process by which arthropods exit an old exoskeleton and form a larger one b. always occurs without any problem c. allows planarians to re-grow after they have been cut in half d. it occurs in arthropods as well as in clams & oysters e. all of the above statements are correct 4. Starfish, Sea Urchins, and Sea Cucumbers fall under which taxonomic category? a. Class Arachnida b. Class Crustacea c. Class Chilopoda d. Class Insecta e. None of the above

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Transcript

00:01 Hello everyone, in this question we have been said that there is a juvenile specimen who has exoskeleton, a pair of antenna and tracheal system for gas exchange and also have mandibles.

00:23 So the mandibles are basically present in arthropods.

00:30 It's a pair of mouth part that is used for biting or cutting and holding food.

00:39 And an exoskeleton is present in cockroaches.

00:46 Also they have an and instead of the lungs there is presence of network of tubes called trachea that open at the surface of thorax and abdomen through paired valve -like structures that is called spiracles.

01:08 The cockroach's body is divided into three segments, head, thorax and abdomen.

01:18 And they have a long pair of antenna which helps them to build them to build.

01:24 Of smell and vibrations.

01:26 So antennas are connected to the head which also include the brain, strong mouth parts for scrapping and chewing food and the compound eyes.

01:37 It includes three pair of legs.

01:43 Cockroachers have six legs total and two pairs of wings, that is four wings are present.

01:50 And additionally there is a plate behind the head that is called the pranotum and it is important because this differentiates this species from other species.

02:05 So here in the question we have been said that these would need to have option a 8 legs that is not present in this so that is not correct...

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