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andrezito [222]
3 years ago
12

After doing research on plants and fertilizers, a 5th grade science class states the hypothesis for their experiment; "If a plan

t receives fertilizer, then it will grow to be bigger than a plant that does not receive fertilizer." To test this hypothesis the students must ______________. A) make observations B) collect and record data C) determine and follow a procedure D) make observations, collect and record data, and determine and follow a procedure
Biology
1 answer:
never [62]3 years ago
8 0

Answer:

D

Explanation:

D is a combination of all three options above, and ALL those steps need to be done, so it is D.

If you are ever stuck on a problem and cannot receive help, usually the answer that is "all above" right, but not always.

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Instead of roots non vascular plants have threadlike structures called?​
Alika [10]

Instead of roots, threadlike structures called rhizoids.

have a nice day:)

3 0
2 years ago
Which of the following organisms exhibits cephalization?
bezimeni [28]
Cephalization describes the process by which organisms develop a distinct head. The head of a cephalized organism contains a concentrated group of nerves, or brain, that controls the rest of the organism, as well as specialized organs for consumption and perception, like mouths, eyes and ears. Cephalized organisms exhibit a distinct division between parts of the body; they have a front, back, top and bottom. These animals comprise the bulk of animals that are encountered on a daily basis.

sea star following organisms exhibits cephalization
4 0
3 years ago
How has non-renewable energy and technology improved but at the same time endangered our way of life ? (4 Points) a . Fossil fue
seropon [69]

Answer: I think b

Explanation:

8 0
3 years ago
1. Which of the following is the most appropriate definition of organic compound? a compound that contains carbon atoms bound to
disa [49]

Answer:

Option A, a compound that contains carbon atoms bound to other elements

Explanation:

An organic compound is one which has at least one carbon atom that is bonded to several other atoms (may be metallic or non metallic) by a single or double bond is termed as organic compound .  The most common atoms with which carbon forms bond are hydrogen, nitrogen,and oxygen.

Some common examples are -

Methane - CH_4

Methanol - CH_3OH

Hence, option A is correct

3 0
3 years ago
Read 2 more answers
Molecule 1 has the nitrogenous base sequence TCA AGT. Which set of bases in Molecule 2 can bond to that sequence in a complement
serious [3.7K]

Complete question:

Molecule 1 has the nitrogenous base sequence TCA AGT. Which set of bases in Molecule 2 can bond to that sequence in a complementary way?

a. UCAAGU

B. AGTACA

C. AGUUCA

D. UCAATA

Answer:

C. AGUUCA

Explanation:

DNA template strand and the corresponding RNA have complementary sequences. Adenine in the DNA template strand pairs with "uracil" base of RNA while cytosine pairs with its "guanine" base. Similarly, thymine base in DNA template strand pairs with "adenine" base in the RNA. This occurs since RNA does not have a thymine base. RNA has uracil base instead. Therefore, the molecule 1 with sequence  TCA AGT would bind to the molecule 2 with the " AGU UCA" sequence.  

Molecule 1: DNA template:  TCA AGT  

Molecule 2: mRNA:              AGUUCA

7 0
3 years ago
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