Answer:
round worms reproduce sexually
the nervous system of a roundworm contains a brain and nerve cords
Answer:
The correct answer is D.
Explanation:
Mutation refers to an alteration in the nucleotide sequence of the genome found in an individual. Mutation can be beneficial, harmful or neutral. A mutation is said to be beneficial when its effects add positively to the survival of the organism. On the other hand, a mutation is described as harmful if the effects is negative or neutral if it has no negative or positive effects.
From the options given in this question, you will notice that all of them have beneficial effects with the exception of option D. A mutation that cause uncontrolled cell division is harmful and can lead to cancer.
Answer:
I'm pretty sure it's transport blood cells
Answer:
1. one long double helix.
Explanation:
- The Eukaryotic chromosome consists of the DNA protein structural complex that is formed by a manner and permits the large amounts of the DNA to be stored in the nucleus and structure to form a double standard helix made up of the double nucleic acid molecules and exists as a complementary pair.
Answer:C
Explanation:
The arteries are not a cell bc that is too simple a tissue is also too simple its not a system bc arteries are not a lot of organs working together so its C
