500 points! and brainly for write answer

Biology

2 answers:

Llana [10]2 years ago

8 0

Some you wouldn't see by stepping outside, but it gives you a general understanding of what you should be looking for.

Hope this helps!

LenaWriter [7]2 years ago

5 0

Plants make seeds that can grow into new plants, but if the seeds just fall to the ground under the parent plant, they might not get enough sun, water or nutrients from the soil. Because plants cannot walk around and take their seeds to other places, they have developed other methods to disperse (move) their seeds. The most common methods are wind, water, animals, explosion and fire.

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Dr. hakim is interested in studying aggression through researching how the structure and function of genes interact with our env

Andre45 [30]

Behavioural genetics is the study of the effects of genes as well as well the environment on the behaviour of the individuals. The scientists who study the Behavioural genetics are known as behavioural geneticists.

In this case Dr. Hakim is studying the influence of genes and the environment on the aggression, which is a kind of behaviour. Hence, Dr. Hakim is a behavioural geneticists, and he works in in the field of behavioural genetics.

3 0

2 years ago

Cell-to-cell communication is absolutely essential for multicellular organisms. But how do plants communicate when their cells a

nevsk [136]

Ans.

Cell-to-cell communication allows signalling of essential substances between the plant cells, which are surrounded by cell walls. The molecules used by plants for long-distance signalling are known as hormones, such as auxin, ethylene, and gibberelin.

These hormones are secreted by one plant cell and received by another plant cell, where it exerts it affect. Thus, the correct answer to be fill in the blank is 'option A). hormones.'

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2 years ago

. What is the first step of thermonuclear fusion within the Sun to form helium-4?

torisob [31]

Answer:

a nucleus of Deuterium (2H)

Explanation:

formed from two protons with the emission of an antielectron and a neutrino. In the basic Hydrogen fusion cycle, four Hydrogen nuclei (protons) come together to make a Helium nucleus.

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2 years ago

Read 2 more answers

What 2 systems work together to give us energy?*

Julli [10]

Answer:

Explanation:

cardiovascular and respiratory

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3 years ago

1.which of these is not a basic need of all organisms?

m_a_m_a [10]