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balu736 [363]
3 years ago
12

Please please please please help me please

Biology
2 answers:
denpristay [2]3 years ago
8 0

Answer:

A. Bees and Butterflies receive food while pollinating the flowers.

CaHeK987 [17]3 years ago
6 0
Your answer is A. Bees and butterflies receive food while pollinating the flowers
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Wolves feed on a variety of large prey, including elk. Elk feed on shrubs and trees like aspen and cottonwood trees.
Trava [24]

Answer:

Population size of elk increased while the population of aspen tree declined.

Explanation:

As per question, removal of wolves from the system would result in increased elk population due to absence of its predator (wolves). The increased elk population would extensively feed on  shrubs and trees like aspen and cottonwood trees. This would cause decline in population size of these shrubs and trees.

5 0
3 years ago
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Ethology is the study of animal _____.
Rzqust [24]
<span>Ethology is a branch of zoology concerned with the study of animal behavior. Ethologists take a comparative approach, studying behaviors ranging from kinship, cooperation, and parental investment, to conflict, sexual selection, and aggression across a variety of species.</span>
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3 years ago
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What is the mutation cause by the addition of the nucleotide to an already existing gene sequence called?
VashaNatasha [74]

Answer:

Insertion

Explanation:

Hope this helps :)

6 0
2 years ago
This is a cell not a plant, because the cell do not contain________
Sphinxa [80]

Answer:

Chloroplast.

Explanation:

This is what I believe it is since we're obviously talking about an animal cell and NOT a plant cell like it says. Animal cells do not contain chloroplast.

If this is the answer you're not looking for, let me know! Hope this helped! :)))

6 0
3 years ago
In this lab, you will be using black worms ( Lumbriculus variegatus) to investigate the effects of various chemicals on their pu
Leni [432]

Answer: All the above options are correct about the characteristics of Lumbriculus variegatus.

Explanation:

Lumbriculus variegatus also called the black worm belongs to the phylum Annelida and is used by biologists to illustrate:

-blood vessel pulsations,

-swimming reflex,

-peristaltic crawling behavior,

-giant nerve fiber action potentials.

These studies where carried out on them due to the characteristics they possess. These includes:

-its blood circulates in a closed circulatory system

-Freshwater worm found throughout North America and Europe

-Prefers the shallow habitats found at the edges of ponds, lakes, or marshes

-Feeds on decaying vegetation and microorganisms.

4 0
3 years ago
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