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solong [7]
3 years ago
9

The five-factors for evolution are gene flow, genetic drift, mutation, natural selection and

Biology
1 answer:
oee [108]3 years ago
6 0

Answer:

population mating structure and culture. hopefully I'm right.

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16. Which type of sediments would be most common where a river meets an ocean?
creativ13 [48]

Answer:

Sand, Silt and Clay

Explanation:

The sand is most coarse so it deposits easier and more often than the clay being finest, but there would still be clay just less of it than sand

5 0
2 years ago
What will happen if the pollen tube pore its content inside the embryo sac?
anastassius [24]

Answer:

Once the embryo sac has developed, pollination has occurred, and the pollen tube has grown into the ovary to make contact with the ovule, fertilization (fusion of egg and sperm) can occur.Typically, the pollen tube reaches the embryo sac via the micropyle (Greek, mikros + pyle = small opening), or opening, in the integuments of the ovule.. There, it discharges its sperm into the embry

Explanation:

The pollen tube enters into the ovule, through the micropyle. Inside the embryo sac, the tip of the pollen tube ruptures and the 2 male gametes are set free near the egg apparatus. Inside the embryo sac, one of the 2 male gametes fuses with the egg nucleus and forms a diploid zygote. This process is called syngamy or true fertilisation.

6 0
3 years ago
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Just so everyone knows this is for science!
Alexeev081 [22]

Answer:

A

Explanation:

sublimation is turning solid to gas

6 0
2 years ago
Students conducted an investigation which required them to record daily the height in millimeters of several plants. Which tool
bonufazy [111]
<span>C. metric ruler since millimeters are metric</span>
6 0
3 years ago
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Water at about 4°C (39°F) is more dense than water at 0°C (32°F). Why would the living organisms in the lake die if the water at
9966 [12]
The water would freeze across the surface of the lake, blocking the dissolving of oxygen and nutrients. <span>Water is actually less dense when frozen, which is why ice cubes and ice bergs all float. This is also why you can ice skate on a lake if the ice gets thick enough on the surface. Many organisms that live in freezing lakes have special adaptations which help them survive.</span>
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3 years ago
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