Which of the following is NOT one of the seven characteristics of living organisms?

• a) Movement
• b) Photosynthesis
• c) Reproduction
• d) Excretion

What does the mnemonic "Mrs Gren" help us remember?

• a) The types of plants
• b) The characteristics of living organisms
• c) The classification system
• d) The parts of a cell

The taking in of matrials for energy, growth and development, is definition of?

• Nutrition

Which of the following is a characteristic of mammals?

• a) They lay eggs with hard shells
• b) They have fur or hair and produce milk for their young
• c) They have scales and breathe with gills
• d) They have three heart chambers

Which group of animals has a backbone?

• vertebrates

Prokaryotes, such as bacteria, differ from eukaryotes primarily because they lack:

• a) Cell walls
• b) DNA
• c) A nucleus and mitochondria
• d) Ribosomes

are excretion and egestion have same definition?

what makes excretion and egestion definition is different?

• excretion:remove waste products of metabolism, egestion:eliminating undigested food material
• excretion:eliminating undigested food material, egestion:remove waste products of metabolism
• excretion:break down nutrient molecules and release energy, egestion:remove waste products of metabolism
• turu

Which characteristic is typical of fungi?

• a) Cell walls made of cellulose
• b) Photosynthesis
• c) Saprophytic nutrition
• d) Presence of chloroplasts

The binomial system of naming species includes?

• genus and species

A species is best described as?

• a) A group of organisms that can reproduce to produce fertile offspring
• b) A single organism that can reproduce
• c) All organisms in a habitat
• d) Organisms that look alike

are sensitivity and irritability definition is same?

What is morphology?

• a) The study of the internal functions of organisms
• b) The study of the physical form and external features of organisms
• c) The classification of organisms based on DNA
• d) The process of reproduction in organisms

Invertebrates are animals that?

• a) Have a backbone
• c) Are all insects
• b) Do not have a backbone
• d) Are all aquatic

what makes studying classification is more accurate?(based on IGCSE book)

• genetic material and nucleus
• mitochondria and sequences of DNA
• morphologhy
• th sequences of DNA and of amino acids in protein

what is the correct characteristic of protoctists

• very small and single celled, with cell wals but no nucleus
• many are made of hyphae, with nuclei annd cell walls
• single celled with a nucleus, some have chloroplast
• what it is ho wassup

All birds have?

• Scales and breathe with gills
• Feathers and lay eggs with hard shells
• No limbs
• Fur and produce milk

Homo sapiens . what is the correct answer

• homo:genus,sapiens:species
• sapiens:species, homo:genus
• homo:species,sapiens:genus
• species:genus,homo:sapiens

Why do scientists classify living things?

• a) To organize them into groups.
• b) To give them all the same name.
• c) To make them look different
• d) To stop their growth.

Which characteristic is essential for all animals to survive?

• Photosynthesis.
• Making their own food.
• Movement and response to environment.
• Having a backbone.