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Natali [406]
3 years ago
13

HELPPPP

Biology
1 answer:
Natasha_Volkova [10]3 years ago
5 0

Answer:

the respiratory and digestive systems work together to power the body.

Explanation:

a functioning respiratory system delivers oxygen to the blood. while the digestive system breaks down food and uses muscular contractions to move food through the digestive tract, it needs oxygen to function properly.

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Read 2 more answers
Flock X
grandymaker [24]

Answer:

                Total Pieces      Food Percentage   Simulated Number of Birds

              of Food Eaten                                      in Flock for 2nd Generation

Flock X          57                            19%                                 6

Flock Y          153                           51%                                15

Flock Z         90                            30%                                9

<u>Calculations. </u>

Food percentage:

Flock X = 57/300 * 100% = 19%

Flock Y = 153/300 * 100% = 51%

Flock Z = 90/300 * 100% = 30%

Simulated Number of Birds in Flock for 2nd Generation

Flock X = 19% * 30 = 6

Flock Y = 51% * 30 = 15

Flock Z = 30% * 30 = 9

5 0
3 years ago
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