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zloy xaker [14]
3 years ago
7

During which period of Earth's history did four-legged animals appear on land?

Biology
2 answers:
sasho [114]3 years ago
6 0
Yep it was the dinosaur age like Alligators
mario62 [17]3 years ago
5 0

Answer:

The dinasaur age

Explanation:

ROOOAARRR

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Serga [27]

Answer:

A. solar energy in the rays of sunlight

Explanation:

photons in the sunlight rays will excite the electrons in the water molecule and hence will provide the energy for calvin cycle.

8 0
3 years ago
What is the difference between bracketed key and indented key?​
____ [38]

Answer:

<em>Bracketed and indented keys are two dichotomous/or branching keys with an ordered, numbered couplet, and spatially differentiated respectively.</em>

Explanation:

Dichotomous keys are used in the identification and classification of taxa.

Bracketed keys, or parallel keys, are easy to understand- for efficiency, these keep the first two entries of every couplet or pair being compared. It also makes use of a numbering system in the couplet choices for easy tracking.

Indented keys maintain an equal distance from the margin on the left of the pages. Successive couplets are indented til the taxon is identified.

5 0
3 years ago
Match the brain function to the correct corresponding brain structure.
Vlad1618 [11]

Answer:

Memory and learning - Cerebrum

General bodily arousal - Cerebellum

Complex mental processes - Cerebral cortex

Connects two halves of brain - Cerebrum

Relax, dream, sleep - Hypothalamus

maintain homeostasis - pons

Regulates body circulation - Medulla

Emotions - Cerebrum

Tells senses - Cerebrum

tells nervous system - Cerebellum

Explanation:

Cerebrum is the largest part of the brain which controls emotion and senses of the body. It controls information of the body. Medulla Oblongata is the part of the brain which is just near the spinal cord. It regulates blood circulation. Hypothalamus is the part of brain which regulates sleep wake cycle of a person.

8 0
3 years ago
A low blood ph decreases the rate of diffusion through the blood vessels and leads to slow blood flow. True or false?
FromTheMoon [43]

Answer:

True

Explanation:

5 0
3 years ago
Read 2 more answers
Which of the following statements is true?
Anna35 [415]

Answer:

B

Explanation:

5 0
4 years ago
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