Biology Middle School

The picture on the left shows how a plant stem looks when sliced open, magnified, and viewed from above. The picture on the right shows a sketch of some structures that are inside every human body.

Each picture shows tubes that run throughout the organism.


What is the main purpose of these tubes?
A.
carrying nutrients and wastes

B.
creating speech

C.
taking in and responding to signals from the environment

D.
making flowers for reproduction

Answers

Answer 1

Answer:

The answer is A, carrying nutrients and wastes.

Explanation:

I learned this in 2nd grade! Enjoy your answer! ☆

Answer 2
A. Carrying nutrients and wastes

Related Questions

Help if you can please?


Leachate is produced as:


A) Rainwater absorbs water-soluble compounds in layers of trash


B)Toxic waste is emptied into ponds and streams


C) Metal comes into contact with water


D) Plastic flows into ponds and streams

Answers

A.

The liquid formed when rain water filters through wastes placed in a landfill. When this liquid comes in contact with buried wastes, it leaches, or draws out, chemicals or constituents from those wastes

A
Rainwater absorbs water-soluble compounds in layers of trash

Read the scientific question below.

"Is air pollution related to lichen growth?"

What is a likely hypothesis for the question? (5 points)

a
Air pollution must affect lichen growth.

b
No, air pollution does not affect lichen growth.

c
If air pollution is high, then lichen growth is high.

d
If air pollution is high, then lung disorder cases are high.

Answers

a. Air pollution must affect lichen growth.

This hypothesis suggests that there is a relationship between air pollution and lichen growth, and that changes in air pollution levels will have an effect on lichen growth. This hypothesis is testable by observing changes in lichen growth in areas with different levels of air pollution and by conducting experiments to measure the effects of air pollution on lichen growth
A. Air pollution must affect lichen growth !

Lesson 3, Interactions among living things


Be able to define and give an example of each.

1. natural selection

2. adaptations

3. niche

4. competition

5. predation, predator, prey

6. symbiosis: mutualism, commensalism, parasitism: parasite and host

Answers

5. predation, predator, prey
Number 5 predation,predator and prey
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