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ra1l [238]
3 years ago
14

Which of the following statements below are TRUE about Keystone Species? Pick all that are correct

Biology
1 answer:
AleksandrR [38]3 years ago
6 0
1 is correct. 2 is also correct. 4 is correct as well.
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Which blood pressure reading is taken when the heart contracts?
butalik [34]

Answer:

systolic

Explanation:

5 0
3 years ago
The map illustrates the greenhouse gas emissions by country in 2000. What statement correlates the map with the ecological footp
OleMash [197]

Answer:

C) is correct

Explanation:

The United States has a smaller population than China, but has a higher per capita greenhouse gas emission, resulting in a larger carbon footprint on a national level.

5 0
3 years ago
An arthropod has all the following characteristics except:
katovenus [111]

Answer:

b. pseudocoelom

Explanation:

A pseudocoelom is a false body cavity of some invertebrates which occupies the space localized between the mesoderm and the endoderm of the gut. This false cavity is found in nematodes.

Arthropods exhibit:

1- Bilateral symmetry because both opposite sides of the body are similar,

2- they are protostomes because the blastopore becomes the mouth during embryonic development,

3- they have true tissues because tissues are formed by groups of cells which share a common function, and finally,

4-arthropods are triploblastic because they are formed by three germ embryonic layers (endoderm, mesoderm and ectoderm).

8 0
3 years ago
Which respiratory function describes the exchange of oxygen and carbon dioxide in the cells?.
9966 [12]

Answer:Cellular Respiration

Explanation:

Cellular respiration is the process by which cells produce energy, and is broken down into three more steps: glycolysis, Kreb’s cycle, and electron transport chain. Glycolysis requires glucose, two ATP, and NAD+, and two ADP, and produces two pyruvate, four ATPs, two NADH, and two H2O. The Kreb’s Chcle and thus the downstream electron transport chain require acetyl-CoA, one ADP, three NAD+, and one FAD, but pyruvate oxidation needs to happen prior to the Kreb’s Cycle, thus this is where the Oxygen is used and produced into two CO2.

5 0
1 year ago
1) <br> Tides are caused by<br> A) gravity. <br> B) heat. <br> C) waves. <br> D) winds.
Ulleksa [173]

Answer:

Gravity

Explanation:

Tides are caused by gravity

8 0
3 years ago
Read 2 more answers
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