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Rus_ich [418]
3 years ago
10

Although they are radially symmetrical, echinoderms are more closely related to a human than to a jellyfish because they are

Biology
2 answers:
pentagon [3]3 years ago
7 0
Although they are radically symmetrical,echinoderms are more closely related to human than to a jellyfish because they are biltarian.
Liono4ka [1.6K]3 years ago
6 0

Answer:

Deuterostomes

Explanation:

Echinoderms and jellyfish both are radially symmetrical unlike humans which are bilaterally symmetrical but still echinoderms are much more closely related to humans as compared to jellyfish. It is because echinoderms are deuterostomes just like humans which means that their anus is generated from the blastopore. In contrast to this, jellyfish is a protostome which means that its mouth is generated from blastopore. Radial symmetry is an important feature when it comes to comparing animals but being deuterostomes and protostomes is much more important when it comes to estimating evolutionary relationships of organisms.

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Explain your observations on what organisms need to grow. Also discuss ways in which human activity can impact an organism’s abi
Dima020 [189]

<em>"No man is an island.” This saying is also true for organisms in an ecosystem. No organism exists in isolation.  Individual organisms live together in an ecosystem and depend on one another.  In fact, they have many different types of interactions with each other, and many of these interactions are critical for their survival. </em>

<em>So what do these interactions look like in an ecosystem? One category of interactions describes the different ways organisms obtain their food and energy. Some organisms can make their own food, and other organisms have to get their food by eating other organisms. An organism that must obtain their nutrients by eating (consuming) other organisms is called a consumer, or a heterotroph. While there are a lot of fancy words related to the sciences, one of the great things is that many of them are based on Latin or Greek roots. For example, heterotroph becomes easier to remember when you realize that in Greek, “hetero” means “other” and “troph” means food; in other words, heterotrophs eat other organisms to get their food. They then use the energy and materials in that food to grow, reproduce and carry out all of their life activities. All animals, all fungi, and some kinds of bacteria are heterotrophs and consumers. </em>

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<em>                    "No man is an island.” This saying is also true for organisms in an ecosystem. No organism exists in isolation.  Individual organisms live together in an ecosystem and depend on one another.  In fact, they have many different types of interactions with each other, and many of these interactions are critical for their survival. </em>

<em>So what do these interactions look like in an ecosystem? One category of interactions describes the different ways organisms obtain their food and energy. Some organisms can make their own food, and other organisms have to get their food by eating other organisms. An organism that must obtain their nutrients by eating (consuming) other organisms is called a consumer, or a heterotroph. While there are a lot of fancy words related to the sciences, one of the great things is that many of them are based on Latin or Greek roots. For example, heterotroph becomes easier to remember when you realize that in Greek, “hetero” means “other” and “troph” means food; in other words, heterotrophs eat other organisms to get their food. They then use the energy and materials in that food to grow, reproduce and carry out all of their life activities. All animals, all fungi, and some kinds of bacteria are heterotrophs and consumers. .</em>

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5 0
3 years ago
Read 2 more answers
A dog pulls on his leash with 10 N force to the left,but doesn’t move. Identify the reaction Force ?
AnnyKZ [126]
The reaction force exhibited by the leash is 10N
7 0
3 years ago
The island of Guam traditionally has not had any snakes that prey on birds; however, brown tree snakes that prey upon birds were
IRISSAK [1]

Since, the options have not been given the question is incomplete. The complete question is as follows:

The island of Guam traditionally has not had any snakes that prey on birds; however, brown tree snakes that prey upon birds were introduced. Use your knowledge of wolf-moose population dynamics to determine what happened to the population dynamics of birds and the new snakes on Guam. Which statement is probably one of the results of the snake introduction?

Because prey was abundant and few predators existed, snakes spread throughout the island.; Snake populations increased exponentially as they preyed upon birds that had no defenses against the predators.; As snake populations became very large, they reached the carrying capacity of Guam and caused bird populations to crash.; Because bird populations crashed, one of the birds' main prey items, spiders, increased their population size.

Answer: Because bird populations crashed, one of the birds' main prey items, spiders, increased their population size.

Explanation:

The wolf-moose population dynamics suggests that if the population of the moose increases the wolves will get more food and will increase in number whereas if the population of moose decrease the wolves will also decrease. This describes the predator-prey relationship.

According to the given situation, all the statements describes the predator prey relationship between birds and snake. The snake population will increase in the Island due to the availability of birds as food. But the statement, Because bird populations crashed, one of the birds' main prey items, spiders, increased their population size. is not directly related to the predator prey relationship between bird and snake. This is one of the consequences of the decline or crash of the bird population after the introduction of the snake population.

3 0
3 years ago
What does an egg contribute to the embryo that a sperm does not contribute?
marishachu [46]

Answer:

Mitochondria

Explanation:

An egg contributes one half of the chromosomes as well as cytoplasm and cellular mechanisms required for the cell to thrive and replicate. Mitochondria are especially important to the embryo and are only passed from mother to child via the egg (or oocyte). Sperm are basically just DNA packets.

7 0
4 years ago
which event can be caused by a landslide , earthquake, or volcanic eruption? A. a tornado B. a hurricane C. a tsunami D. a storm
Viefleur [7K]
C a tsunami  would be your answer 
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