Answer:
the imperial shrimp and the sea cucumber have what's referred to as a one sided symbiotic relationship. that's a type of relationship where there's two organisms, but only one of those organisms benefit. the other organism isn't helped, but it isn't hurt, either.
<u>an imperial shrimp benefits from its relationship with the sea cucumber because the shrimp, when hungry, can get a lift on his lil friend the sea cucumber and is dragged around the ocean to where there's food for shrimp to eat :)</u>
<em>~hope i helped ouo have a nice rest of ur day~</em>
<em>lots of love, </em>
<em> lee</em>
The walls of xylem cells are lignified (strengthened with a substance called lignin ). This allows the xylem to withstand pressure changes as water moves through the plant.
The cell membrane is flexible because of the presence of oil like substances called phospholipids, which gives it a fluid nature. While as the cell walls are rigid because of the presence of the thick layers of the substances like cellulose in plants, chitin in fungi and peptidoglycon in bacteria.
Answer:
A. The percentage will increase
Explanation:
If the species is becoming resistant to the weed killer, natural selection will cause future generations to become resistant as well, therefore the percentage of resistant dollar weed will increase. Also I took the test lol.
Answer:
The gonads are reproductive organs responsible for the production of <u>gametes (sex cells) in their external secretion and in their internal secretion, hormones that exert their action on the organs involved in reproductive function.</u>
Explanation:
Gonads are glands that are part of two body systems: the endocrine system and the reproductive system; and there are two types of gonads: male and female, the first are the testicles and the second the ovaries and both produce steroid hormones (derived from cholesterol) exactly the same as those produced by the cortex of the adrenal glands.
Answer:
Scientists have discovered what they say could be fossils of some of the earliest living organisms on Earth. They are represented by tiny filaments, knobs and tubes in Canadian rocks dated to be up to 4.28 billion years old.
Explanation: