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Alex73 [517]
3 years ago
12

A white blood cell ingests, then digests, a number of bacteria. Which cell organelles were

Biology
1 answer:
borishaifa [10]3 years ago
7 0

Answer: A lysosomes

Explanation:

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PLEASE HELP
Margaret [11]

Answer:

World Wildlife Federation (WWF)

Explanation:

They're one of the MANY organizations who help with wildlife and their habitats.

5 0
2 years ago
Which statement correctly describes the bonding between water molecules? A. The hydrogen atoms have a partial positive charge an
maxonik [38]

Answer:

A. The hydrogen atoms have a partial positive charge and are attracted to the oxygen atom in another molecule, which has a partial negative charge.

Explanation:

I just took the quiz. That was the correct answer.

5 0
2 years ago
What are the two major organ systems in plants
bija089 [108]
It is The shoot and the root systems

4 0
3 years ago
Read 2 more answers
What does the Calvin cycle do
Ostrovityanka [42]
The Calvin Cycle<span>. Plants use energy from the sun in tiny energy factories called chloroplasts. Using chlorophyll in the process of photosynthesis, they convert the sun's energy into storable form in ordered sugar molecules such as glucose.</span>
7 0
3 years ago
Read 2 more answers
Each biological species is genetically isolated from other species. why do the species evolve independently?
Nookie1986 [14]
Species evolve independently possibly due to geographical isolations or behavioural isolations.

Geographical isolation includes the isolation of 2 groups of the same species. Since these 2 groups live in different locations, (e.g. a volcanic eruption resulting in a barrier between one side of an ocean and another side of the ocean), they will have different selection pressures in their different environments as well (e.g. one side of the ocean may have more sunlight and thus more underwater plantations than the other side of the ocean). Natural selection will eliminate those with disadvantageous characteristics (e.g. Fishes that only eat plants and nothing else on the side of the ocean with little plantations) with unfavourable alleles, and select for those with advantageous characteristics (e.g. Fishes are able to eat plants and other organic substances as well on the side of the ocean with little plantations) with favourable alleles.

Since the 2 groups have different selection pressures, natural selection will occur in different ways, selecting for and against different types of fishes with different types of alleles. Also, because of the barrier, they are not able to mate with each other, and there are no mixing of genes from one side of the ocean and the other side. They are genetically isolated. As genetic drift occurs over time, their gene pools become different from each other. Thus, they evolve independently.

Hope this helps! :)
7 0
3 years ago
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