BIOLOGY HIGH SCHOOL

Echinoderms, like sea stars, have a nervous system. A) Ring- like B) ladder- like C) Nerve net

Answers

Answer 1
Answer: The correct answer to the question which is stated above is letter c. Nerve net. 

Echinoderms, like sea stars, have a Nerve Net  nervous system. 

>>Nerve nets are found in members of the Cnidaria, Ctenophora, and Echinodermata phyla, which are found in marine environments. 

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What event occured during paleozoic era?A. diversification of mammals

B. beginning of multicelled life

C. first appearance of most invertebrates

D. dominance of non avian dinosaurs​

Answers

Answer:

C) first appearance of most invertebrates.

Explanation:

The Cambrian Explosion occurred 542 mya. The earliest complex animals arose in the sea at the beginning of the Cambrian Explosion. It would take another half a billion years for mammals to rise. Multicellular life dates back 1.2 bya, but more cpomplex life, such as animals, did not occur until the Cambrian Explosion. In the beginning of the Cambrian Explosion, many soft-bodied animals, such as jellyfish and sea anemones appeared.

Answer:

C

Explanation:

First appearance of most invertebrates

Which statement is an example of an observation the student could have made

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if you gave a little more information i could help you... which statements? is this a multiple choice?

Movement caused by warmer fluids rising and cooler fluids sinking is called ______________.

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The movement caused by warmer fluids rising and cooler fluids sinking is called convection currents.

What is convection current?

The convection currents are the outcome of differential heating. The less dense, that is, lighter warm substances rise, while the denser, that is, heavier cool substance sinks. It is this movement that generates patterns of circulation called convection currents, in water, in the atmosphere, and in the mantle of the Earth.

Thus, convection currents are the answer.

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Answer:

Explanation:

convection current

The scientific term for a living thing is

Answers


An organism is the scientific term for something living.

Final answer:

The scientific term for a living thing is an organism. Organisms can carry out life processes and can range from unicellular to multicellular beings.

Explanation:

The scientific term for a living thing is an organism. Organisms are capable of carrying out life processes, like growth, metabolism, and reproduction. Organisms can range from unicellular beings like bacteria to multicellular beings like humans or trees. Each organism is highly organized, coordinating various activities for survival and propagating its species.

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Which characteristic best distinguishes glycolysis and the Krebs cycle from the electron transport chain? the amount of ATP produced the location in which they occur whether glucose is broken down whether they occur in plants or animals

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It would be "the amount of ATP produced" that best distinguishes glycolysis and the Krebs cycle from the electron transport chain since this is the basis of energy creation. 

A. The mount of ATP produced

During meiosis, the "shuffling" exchange of genetic material is calleda. crossing-over.
b. synapsis.
c. allele distribution.
d. tetrad formation.

Answers

a. crossing-over
In crossing over, the genes bind against each other and this creates genetic diversity in meiosis. 

Hope this helps :)
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