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ivanzaharov [21]
3 years ago
12

• Dr. Smith wants to examine whether a new drug increases the maze running

Biology
1 answer:
VARVARA [1.3K]3 years ago
5 0

Answer:

Independent Variable: Give one group the drug and dont give the other group the drug

Dependent Variable:The data of if the drug improves the rats memory(if their memory is better, the same, or made worse)

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HELP ME ASAP
MaRussiya [10]

Answer:

b c and d

Explanation:

they are from different species therefore would not compete for same mates.

4 0
3 years ago
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Which of the following is an example of phagocytosis? : A cell takes in large amounts of water. A cell in the thyroid gland secr
mihalych1998 [28]

Answer:

An amoeba wraps its membrane around a small unicellular organism to eat it.

Explanation:

4 0
3 years ago
Continental drift states that continents moved ____ to their current location
Ahat [919]
<h3>Slowly</h3>

Wegener proposed the hypothesis of continental drift, which suggested that continents are in constant motion on the surface of Earth. Over time Pangaea began breaking apart, and the continents slowly moved to their present positions.

<h3>What is Continental Drift ?</h3>

The theory of continental drift is most associated with the scientist Alfred Wegener.

  • Wegener's continental drift theory introduced the idea of moving continents to geoscience. He proposed that Earth (opens in new tab) must have once been a single supercontinent before breaking up to form several different continents.

  • The four pieces of evidence for the continental drift include continents fitting together like a puzzle, scattering ancient fossils, rocks, mountain ranges, and the old climatic zones' locations.

Learn more about Continental Drift here:

brainly.com/question/7350119

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4 0
1 year ago
What factors contribute to past and present changes in California's sea otter population?
ra1l [238]

Answer:

White shark bites, parasites, food availability, habitat degradation are among some of the contributing factors threatening the recovery of the species. The greatest threat to a sea otter is the oil spills.

Hope this helps!

Extra - Fun fact - Sea otters play a vital role in the health and stability of the nearshore marine ecosystem as a keystone species.

6 0
3 years ago
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depending on the environment the plant is in, more or less gas may be produced. suggest a method for measuring the rate of gas p
makkiz [27]

Answer: The correct method would be - to collect the gas in an inverted graduated cylinder. Explanation: Place the aquatic plant under the mouth of the graduated cylinder and gather the gas by the water displacement that is delivered by the cycle of photosynthesis. At that point measure, the volume of gas gathered at different times. An individual could consider the impact of temperature, the measure of light, and the accessibility of supplements as components that may influence the pace of gas creation.

6 0
2 years ago
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