What animals belong to the largest phylum of invertibrates?
Options:
- (A) plants
- (B) parasites
- (C) octopuses
- (D) tortoises
- (E) eartworms
- (F) insects
- (G) mammals
- (H) animals
--
Let's think first: Arthropods are the largest phylum of invertebrates. Insects are the largest group of arthropods. Insects belong to the largest phylum of invertibrates.... So the answer is [(F)]
------
What is needed from cells for phosphatases to keep the proper ph?
Options:
- (A) plasma
- (B) secretion of bases only
- (C) secretion of proteins
- (D) metabolic reaction
- (E) it helps plants in growing
- (F) Positive charges
- (G) Transfers energy
- (H) secretion of acids and bases
--
Let's think first: Cells secrete acids and bases to maintain the proper pH for enzymes to work. Phosphatases are enzymes that remove phosphates from other enzymes. Cells secrete acids and bases to keep the proper pH for phosphatases to work properly.... So the answer is [(H)]
------
Organisms use what to store energy?
Options:
- (A) food
- (B) skin
- (C) fat
- (D) RNA
- (E) batteries
- (F) CO 2
- (G) bone
- (H) O2
--
Let's think first: Organisms use lipids to store energy. Another name for fat is lipid . Organisms use fat to store energy.... So the answer is [(C)]
------
Fertilization of what would produce a diploid zygote?
Options:
- (A) fetus
- (B) seeds
- (C) H 2 O
- (D) bamboo
- (E) offspring
- (F) eggs
- (G) apples
- (H) sperm
--
Let's think first: Fertilization of gametes produces a diploid zygote. Female gametes are called eggs. Fertilization of eggs produces a diploid zygote.... So the answer is [(F)]
------